101313030021 has 32 divisors (see below), whose sum is σ = 154837148928. Its totient is φ = 57722595840.

The previous prime is 101313029989. The next prime is 101313030121. The reversal of 101313030021 is 120030313101.

It is not a de Polignac number, because 101313030021 - 2⁵ = 101313029989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101313030121) 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, 15457281 + ... + 15463833.

It is an arithmetic number, because the mean of its divisors is an integer number (4838660904).

Almost surely, 2^101313030021 is an apocalyptic number.

It is an amenable number.

101313030021 is a deficient number, since it is larger than the sum of its proper divisors (53524118907).

101313030021 is a wasteful number, since it uses less digits than its factorization.

101313030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 101313030021 its reverse (120030313101), we get a palindrome (221343343122).

The spelling of 101313030021 in words is "one hundred one billion, three hundred thirteen million, thirty thousand, twenty-one".