131001031204 has 48 divisors (see below), whose sum is σ = 257080824000. Its totient is φ = 58044542976.

The previous prime is 131001031181. The next prime is 131001031247. The reversal of 131001031204 is 402130100131.

It is a super-2 number, since 2×131001031204² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100429 + ... + 521620.

It is an arithmetic number, because the mean of its divisors is an integer number (5355850500).

Almost surely, 2^131001031204 is an apocalyptic number.

It is an amenable number.

131001031204 is a deficient number, since it is larger than the sum of its proper divisors (126079792796).

131001031204 is a wasteful number, since it uses less digits than its factorization.

131001031204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622252 (or 622250 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131001031204 its reverse (402130100131), we get a palindrome (533131131335).

The spelling of 131001031204 in words is "one hundred thirty-one billion, one million, thirty-one thousand, two hundred four".