131011231134004 has 12 divisors (see below), whose sum is σ = 246905781752644. Its totient is φ = 60466722061824.

The previous prime is 131011231133987. The next prime is 131011231134013. The reversal of 131011231134004 is 400431132110131.

It can be written as a sum of positive squares in 2 ways, for example, as 8453091056400 + 122558140077604 = 2907420^2 + 11070598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131011231134004.

It is a congruent number.

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, 1259723376237 + ... + 1259723376340.

Almost surely, 2^{131011231134004} is an apocalyptic number.

It is an amenable number.

131011231134004 is a deficient number, since it is larger than the sum of its proper divisors (115894550618640).

131011231134004 is a wasteful number, since it uses less digits than its factorization.

131011231134004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519446752594 (or 2519446752592 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 131011231134004 its reverse (400431132110131), we get a palindrome (531442363244135).

The spelling of 131011231134004 in words is "one hundred thirty-one trillion, eleven billion, two hundred thirty-one million, one hundred thirty-four thousand, four".