23313021031 has 8 divisors (see below), whose sum is σ = 23689525104. Its totient is φ = 22939296000.

The previous prime is 23313020999. The next prime is 23313021037. The reversal of 23313021031 is 13012031332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23313021031 - 2⁵ = 23313020999 is a prime.

It is a super-2 number, since 2×23313021031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313021037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677845 + ... + 711406.

It is an arithmetic number, because the mean of its divisors is an integer number (2961190638).

Almost surely, 2^23313021031 is an apocalyptic number.

23313021031 is a deficient number, since it is larger than the sum of its proper divisors (376504073).

23313021031 is a wasteful number, since it uses less digits than its factorization.

23313021031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389521.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23313021031 its reverse (13012031332), we get a palindrome (36325052363).

The spelling of 23313021031 in words is "twenty-three billion, three hundred thirteen million, twenty-one thousand, thirty-one".