101010213031 has 32 divisors (see below), whose sum is σ = 129007872000. Its totient is φ = 78565384800.

The previous prime is 101010212969. The next prime is 101010213049. The reversal of 101010213031 is 130312010101.

It is not a de Polignac number, because 101010213031 - 2¹³ = 101010204839 is a prime.

It is a super-2 number, since 2×101010213031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010213061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71106 + ... + 455056.

It is an arithmetic number, because the mean of its divisors is an integer number (4031496000).

Almost surely, 2^101010213031 is an apocalyptic number.

101010213031 is a deficient number, since it is larger than the sum of its proper divisors (27997658969).

101010213031 is an equidigital number, since it uses as much as digits as its factorization.

101010213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384044 (or 384030 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 101010213031 its reverse (130312010101), we get a palindrome (231322223132).

The spelling of 101010213031 in words is "one hundred one billion, ten million, two hundred thirteen thousand, thirty-one".