31213233102023 has 16 divisors (see below), whose sum is σ = 35733445932096. Its totient is φ = 26708317747200.

The previous prime is 31213233102019. The next prime is 31213233102091. The reversal of 31213233102023 is 32020133231213.

It is a cyclic number.

It is not a de Polignac number, because 31213233102023 - 2² = 31213233102019 is a prime.

It is a super-2 number, since 2×31213233102023² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31213233101983 and 31213233102001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31213233102323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181732115 + ... + 181903787.

It is an arithmetic number, because the mean of its divisors is an integer number (2233340370756).

Almost surely, 2^{31213233102023} is an apocalyptic number.

31213233102023 is a deficient number, since it is larger than the sum of its proper divisors (4520212830073).

31213233102023 is a wasteful number, since it uses less digits than its factorization.

31213233102023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216074.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31213233102023 its reverse (32020133231213), we get a palindrome (63233366333236).

The spelling of 31213233102023 in words is "thirty-one trillion, two hundred thirteen billion, two hundred thirty-three million, one hundred two thousand, twenty-three".