131100100033031 has 2 divisors, whose sum is σ = 131100100033032. Its totient is φ = 131100100033030.

The previous prime is 131100100032991. The next prime is 131100100033051. The reversal of 131100100033031 is 130330001001131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131100100033031 - 2²² = 131100095838727 is a prime.

It is a super-2 number, since 2×131100100033031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131100100033051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65550050016515 + 65550050016516.

It is an arithmetic number, because the mean of its divisors is an integer number (65550050016516).

Almost surely, 2^{131100100033031} is an apocalyptic number.

131100100033031 is a deficient number, since it is larger than the sum of its proper divisors (1).

131100100033031 is an equidigital number, since it uses as much as digits as its factorization.

131100100033031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 131100100033031 its reverse (130330001001131), we get a palindrome (261430101034162).

The spelling of 131100100033031 in words is "one hundred thirty-one trillion, one hundred billion, one hundred million, thirty-three thousand, thirty-one".