23021031213 has 12 divisors (see below), whose sum is σ = 33256886208. Its totient is φ = 15345376200.

The previous prime is 23021031139. The next prime is 23021031239. The reversal of 23021031213 is 31213012032.

It is not a de Polignac number, because 23021031213 - 2¹⁰ = 23021030189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021031263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89295 + ... + 232412.

It is an arithmetic number, because the mean of its divisors is an integer number (2771407184).

Almost surely, 2^23021031213 is an apocalyptic number.

It is an amenable number.

23021031213 is a deficient number, since it is larger than the sum of its proper divisors (10235854995).

23021031213 is a wasteful number, since it uses less digits than its factorization.

23021031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329664 (or 329661 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23021031213 its reverse (31213012032), we get a palindrome (54234043245).

The spelling of 23021031213 in words is "twenty-three billion, twenty-one million, thirty-one thousand, two hundred thirteen".