31102020000101 has 4 divisors (see below), whose sum is σ = 31860605853804. Its totient is φ = 30343434146400.

The previous prime is 31102020000043. The next prime is 31102020000127. The reversal of 31102020000101 is 10100002020113.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3717469349476 + 27384550650625 = 1928074^2 + 5233025^2 .

It is a cyclic number.

It is not a de Polignac number, because 31102020000101 - 2³⁸ = 30827142093157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31102020003101) 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, 379292926790 + ... + 379292926871.

It is an arithmetic number, because the mean of its divisors is an integer number (7965151463451).

Almost surely, 2^{31102020000101} is an apocalyptic number.

It is an amenable number.

31102020000101 is a deficient number, since it is larger than the sum of its proper divisors (758585853703).

31102020000101 is an equidigital number, since it uses as much as digits as its factorization.

31102020000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758585853702.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 31102020000101 its reverse (10100002020113), we get a palindrome (41202022020214).

The spelling of 31102020000101 in words is "thirty-one trillion, one hundred two billion, twenty million, one hundred one", and thus it is an aban number.