131001404004202 has 32 divisors (see below), whose sum is σ = 207083907448704. Its totient is φ = 62030100792000.

The previous prime is 131001404004151. The next prime is 131001404004239. The reversal of 131001404004202 is 202400404100131.

It is a happy number.

It is a super-2 number, since 2×131001404004202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121499752 + ... + 122573212.

It is an arithmetic number, because the mean of its divisors is an integer number (6471372107772).

Almost surely, 2^{131001404004202} is an apocalyptic number.

131001404004202 is a deficient number, since it is larger than the sum of its proper divisors (76082503444502).

131001404004202 is a wasteful number, since it uses less digits than its factorization.

131001404004202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099854.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 131001404004202 its reverse (202400404100131), we get a palindrome (333401808104333).

The spelling of 131001404004202 in words is "one hundred thirty-one trillion, one billion, four hundred four million, four thousand, two hundred two".