101022231131 has 4 divisors (see below), whose sum is σ = 103171640352. Its totient is φ = 98872821912.

The previous prime is 101022231097. The next prime is 101022231143. The reversal of 101022231131 is 131132220101.

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

It is a cyclic number.

It is not a de Polignac number, because 101022231131 - 2¹⁴ = 101022214747 is a prime.

It is a super-2 number, since 2×101022231131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101022231631) 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, 1074704540 + ... + 1074704633.

It is an arithmetic number, because the mean of its divisors is an integer number (25792910088).

Almost surely, 2^101022231131 is an apocalyptic number.

101022231131 is a deficient number, since it is larger than the sum of its proper divisors (2149409221).

101022231131 is an equidigital number, since it uses as much as digits as its factorization.

101022231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149409220.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101022231131 its reverse (131132220101), we get a palindrome (232154451232).

The spelling of 101022231131 in words is "one hundred one billion, twenty-two million, two hundred thirty-one thousand, one hundred thirty-one".