131000030304402 has 64 divisors (see below), whose sum is σ = 303543669325824. Its totient is φ = 36914246328960.

The previous prime is 131000030304389. The next prime is 131000030304433. The reversal of 131000030304402 is 204403030000131.

It is a super-2 number, since 2×131000030304402² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 70107877 + ... + 71952167.

It is an arithmetic number, because the mean of its divisors is an integer number (4742869833216).

Almost surely, 2^{131000030304402} is an apocalyptic number.

131000030304402 is an abundant number, since it is smaller than the sum of its proper divisors (172543639021422).

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

131000030304402 is a wasteful number, since it uses less digits than its factorization.

131000030304402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867543.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 131000030304402 its reverse (204403030000131), we get a palindrome (335403060304533).

The spelling of 131000030304402 in words is "one hundred thirty-one trillion, thirty million, three hundred four thousand, four hundred two".