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31341443210231 = 711407031730003
BaseRepresentation
bin1110010000001001111111…
…00101101101101111110111
311002222012202001202102110112
413020010333211231233313
513101444233430211411
6150354021002413235
76413226115502450
oct710047745555767
9132865661672415
1031341443210231
119a93916693510
123622221b0121b
1314646405b649b
147a4d10a62127
153953e2263b8b
hex1c813f96dbf7

31341443210231 has 8 divisors (see below), whose sum is σ = 39075046080384. Its totient is φ = 24421903800120.

The previous prime is 31341443210219. The next prime is 31341443210237. The reversal of 31341443210231 is 13201234414313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31341443210231 is a prime.

It is a super-2 number, since 2×313414432102312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31341443210237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203515864925 + ... + 203515865078.

It is an arithmetic number, because the mean of its divisors is an integer number (4884380760048).

Almost surely, 231341443210231 is an apocalyptic number.

31341443210231 is a deficient number, since it is larger than the sum of its proper divisors (7733602870153).

31341443210231 is a wasteful number, since it uses less digits than its factorization.

31341443210231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407031730021.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 31341443210231 its reverse (13201234414313), we get a palindrome (44542677624544).

The spelling of 31341443210231 in words is "thirty-one trillion, three hundred forty-one billion, four hundred forty-three million, two hundred ten thousand, two hundred thirty-one".

Divisors: 1 7 11 77 407031730003 2849222110021 4477349030033 31341443210231