131202010123402 has 8 divisors (see below), whose sum is σ = 198751559890212. Its totient is φ = 64951490160000.

The previous prime is 131202010123391. The next prime is 131202010123421. The reversal of 131202010123402 is 204321010202131.

It can be written as a sum of positive squares in 2 ways, for example, as 81250771794241 + 49951238329161 = 9013921^2 + 7067619^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324757450599 + ... + 324757451002.

Almost surely, 2^{131202010123402} is an apocalyptic number.

131202010123402 is a deficient number, since it is larger than the sum of its proper divisors (67549549766810).

131202010123402 is a wasteful number, since it uses less digits than its factorization.

131202010123402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649514901704.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 131202010123402 its reverse (204321010202131), we get a palindrome (335523020325533).

The spelling of 131202010123402 in words is "one hundred thirty-one trillion, two hundred two billion, ten million, one hundred twenty-three thousand, four hundred two".