101310131321131 has 4 divisors (see below), whose sum is σ = 101310555634552. Its totient is φ = 101309707007712.

The previous prime is 101310131321059. The next prime is 101310131321137. The reversal of 101310131321131 is 131123131013101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101310131321131 is a prime.

It is a super-2 number, since 2×101310131321131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101310131321137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211798365 + ... + 212276158.

It is an arithmetic number, because the mean of its divisors is an integer number (25327638908638).

Almost surely, 2^{101310131321131} is an apocalyptic number.

101310131321131 is a deficient number, since it is larger than the sum of its proper divisors (424313421).

101310131321131 is an equidigital number, since it uses as much as digits as its factorization.

101310131321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424313420.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 101310131321131 its reverse (131123131013101), we get a palindrome (232433262334232).

The spelling of 101310131321131 in words is "one hundred one trillion, three hundred ten billion, one hundred thirty-one million, three hundred twenty-one thousand, one hundred thirty-one".