131201213012031 has 16 divisors (see below), whose sum is σ = 175072697132256. Its totient is φ = 87398609644416.

The previous prime is 131201213011931. The next prime is 131201213012053. The reversal of 131201213012031 is 130210312102131.

It is not a de Polignac number, because 131201213012031 - 2¹⁴ = 131201212995647 is a prime.

It is a super-2 number, since 2×131201213012031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131201213011989 and 131201213012007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201213012081) 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, 69474321 + ... + 71337813.

It is an arithmetic number, because the mean of its divisors is an integer number (10942043570766).

Almost surely, 2^{131201213012031} is an apocalyptic number.

131201213012031 is a deficient number, since it is larger than the sum of its proper divisors (43871484120225).

131201213012031 is a wasteful number, since it uses less digits than its factorization.

131201213012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881962.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 131201213012031 its reverse (130210312102131), we get a palindrome (261411525114162).

The spelling of 131201213012031 in words is "one hundred thirty-one trillion, two hundred one billion, two hundred thirteen million, twelve thousand, thirty-one".