131211244410402 has 64 divisors (see below), whose sum is σ = 289184722928640. Its totient is φ = 39433301216064.

The previous prime is 131211244410319. The next prime is 131211244410439. The reversal of 131211244410402 is 204014442112131.

It is a self number, because there is not a number n which added to its sum of digits gives 131211244410402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341711523 + ... + 342095289.

It is an arithmetic number, because the mean of its divisors is an integer number (4518511295760).

Almost surely, 2^{131211244410402} is an apocalyptic number.

131211244410402 is an abundant number, since it is smaller than the sum of its proper divisors (157973478518238).

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

131211244410402 is a wasteful number, since it uses less digits than its factorization.

131211244410402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485767.

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 131211244410402 its reverse (204014442112131), we get a palindrome (335225686522533).

The spelling of 131211244410402 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred forty-four million, four hundred ten thousand, four hundred two".