131200011002031 has 16 divisors (see below), whose sum is σ = 184910828121600. Its totient is φ = 82516457032128.

The previous prime is 131200011002003. The next prime is 131200011002033. The reversal of 131200011002031 is 130200110002131.

It is a happy number.

It is not a de Polignac number, because 131200011002031 - 2⁵ = 131200011001999 is a prime.

It is a super-2 number, since 2×131200011002031² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131200011002031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131200011002033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4815372526 + ... + 4815399771.

It is an arithmetic number, because the mean of its divisors is an integer number (11556926757600).

Almost surely, 2^{131200011002031} is an apocalyptic number.

131200011002031 is a deficient number, since it is larger than the sum of its proper divisors (53710817119569).

131200011002031 is a wasteful number, since it uses less digits than its factorization.

131200011002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9630772558.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131200011002031 its reverse (130200110002131), we get a palindrome (261400121004162).

The spelling of 131200011002031 in words is "one hundred thirty-one trillion, two hundred billion, eleven million, two thousand, thirty-one".