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131421034 = 223113131193
BaseRepresentation
bin1111101010101…
…01001101101010
3100011021212202201
413311111031222
5232120433114
621012450414
73154026463
oct765251552
9304255681
10131421034
1168202628
1238019a0a
13212c5534
141364dd6a
15b80e874
hex7d5536a

131421034 has 32 divisors (see below), whose sum is σ = 210190464. Its totient is φ = 61501440.

The previous prime is 131421013. The next prime is 131421053. The reversal of 131421034 is 430124131.

131421034 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680842 + ... + 681034.

It is an arithmetic number, because the mean of its divisors is an integer number (6568452).

Almost surely, 2131421034 is an apocalyptic number.

131421034 is a deficient number, since it is larger than the sum of its proper divisors (78769430).

131421034 is a wasteful number, since it uses less digits than its factorization.

131421034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131421034 is about 11463.9013429111. The cubic root of 131421034 is about 508.4188296818.

Adding to 131421034 its reverse (430124131), we get a palindrome (561545165).

The spelling of 131421034 in words is "one hundred thirty-one million, four hundred twenty-one thousand, thirty-four".

Divisors: 1 2 23 46 113 131 193 226 262 386 2599 3013 4439 5198 6026 8878 14803 21809 25283 29606 43618 50566 340469 501607 581509 680938 1003214 1163018 2856979 5713958 65710517 131421034