31000023000101 has 4 divisors (see below), whose sum is σ = 31034972294112. Its totient is φ = 30965073706092.

The previous prime is 31000023000097. The next prime is 31000023000137. The reversal of 31000023000101 is 10100032000013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31000023000101 - 2² = 31000023000097 is a prime.

It is a super-2 number, since 2×31000023000101² (a number of 28 digits) contains 22 as substring.

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 (31000023000301) 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, 17474645675 + ... + 17474647448.

It is an arithmetic number, because the mean of its divisors is an integer number (7758743073528).

Almost surely, 2^{31000023000101} is an apocalyptic number.

It is an amenable number.

31000023000101 is a deficient number, since it is larger than the sum of its proper divisors (34949294011).

31000023000101 is an equidigital number, since it uses as much as digits as its factorization.

31000023000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34949294010.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 31000023000101 its reverse (10100032000013), we get a palindrome (41100055000114).

The spelling of 31000023000101 in words is "thirty-one trillion, twenty-three million, one hundred one", and thus it is an aban number.