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231411330134140 = 225135163717236547
BaseRepresentation
bin110100100111011110100110…
…001000010011000001111100
31010100100201002110222001200011
4310213132212020103001330
5220312420401003243030
62140100521503313004
766512626326144112
oct6447364610230174
91110321073861604
10231411330134140
1167809aa2a86112
1221b550962ab764
139c17cc174b480
144120522265ab2
151bb4816a29b2a
hexd277a621307c

231411330134140 has 48 divisors (see below), whose sum is σ = 523355788986912. Its totient is φ = 85442523768576.

The previous prime is 231411330134093. The next prime is 231411330134167. The reversal of 231411330134140 is 41431033114132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4807347 + ... + 22043893.

It is an arithmetic number, because the mean of its divisors is an integer number (10903245603894).

Almost surely, 2231411330134140 is an apocalyptic number.

231411330134140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231411330134140 is an abundant number, since it is smaller than the sum of its proper divisors (291944458852772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231411330134140 is a wasteful number, since it uses less digits than its factorization.

231411330134140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17288206 (or 17288204 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 231411330134140 its reverse (41431033114132), we get a palindrome (272842363248272).

The spelling of 231411330134140 in words is "two hundred thirty-one trillion, four hundred eleven billion, three hundred thirty million, one hundred thirty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 51637 103274 206548 258185 516370 671281 1032740 1342562 2685124 3356405 6712810 13425620 17236547 34473094 68946188 86182735 172365470 224075111 344730940 448150222 896300444 1120375555 2240751110 4481502220 890043577439 1780087154878 3560174309756 4450217887195 8900435774390 11570566506707 17800871548780 23141133013414 46282266026828 57852832533535 115705665067070 231411330134140