131301402 has 16 divisors (see below), whose sum is σ = 266908512. Its totient is φ = 43049520.

The previous prime is 131301389. The next prime is 131301427. The reversal of 131301402 is 204103131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179008 + ... + 179739.

It is an arithmetic number, because the mean of its divisors is an integer number (16681782).

Almost surely, 2^131301402 is an apocalyptic number.

131301402 is an abundant number, since it is smaller than the sum of its proper divisors (135607110).

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

131301402 is a wasteful number, since it uses less digits than its factorization.

131301402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358813.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 131301402 is about 11458.6823849865. The cubic root of 131301402 is about 508.2645123588.

Adding to 131301402 its reverse (204103131), we get a palindrome (335404533).

The spelling of 131301402 in words is "one hundred thirty-one million, three hundred one thousand, four hundred two".