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131307062 = 2193499901
BaseRepresentation
bin1111101001110…
…01011000110110
3100011002002102112
413310321120312
5232103311222
621010211022
73153043265
oct764713066
9304062375
10131307062
1168134a37
1237b83a72
13212856b3
14136205dc
15b7dabe2
hex7d39636

131307062 has 16 divisors (see below), whose sum is σ = 207942000. Its totient is φ = 62013600.

The previous prime is 131307053. The next prime is 131307067. The reversal of 131307062 is 260703131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131307067) 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, 8312 + ... + 18212.

It is an arithmetic number, because the mean of its divisors is an integer number (12996375).

Almost surely, 2131307062 is an apocalyptic number.

131307062 is a deficient number, since it is larger than the sum of its proper divisors (76634938).

131307062 is a wasteful number, since it uses less digits than its factorization.

131307062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10271.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 131307062 is about 11458.9293566197. The cubic root of 131307062 is about 508.2718154944.

The spelling of 131307062 in words is "one hundred thirty-one million, three hundred seven thousand, sixty-two".

Divisors: 1 2 19 38 349 698 6631 9901 13262 19802 188119 376238 3455449 6910898 65653531 131307062