131001122131232 has 24 divisors (see below), whose sum is σ = 257980966718076. Its totient is φ = 65482146456832.

The previous prime is 131001122131189. The next prime is 131001122131247. The reversal of 131001122131232 is 232131221100131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 130933003219216 + 68118912016 = 11442596^2 + 260996^2 .

It is a super-2 number, since 2×131001122131232² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131001122131198 and 131001122131207.

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, 575340923 + ... + 575568570.

Almost surely, 2^{131001122131232} is an apocalyptic number.

It is an amenable number.

131001122131232 is a deficient number, since it is larger than the sum of its proper divisors (126979844586844).

131001122131232 is a wasteful number, since it uses less digits than its factorization.

131001122131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150913060 (or 1150913052 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 131001122131232 its reverse (232131221100131), we get a palindrome (363132343231363).

The spelling of 131001122131232 in words is "one hundred thirty-one trillion, one billion, one hundred twenty-two million, one hundred thirty-one thousand, two hundred thirty-two".