31230244023 has 32 divisors (see below), whose sum is σ = 45722880000. Its totient is φ = 18803848800.

The previous prime is 31230243943. The next prime is 31230244027. The reversal of 31230244023 is 32044203213.

It is not a de Polignac number, because 31230244023 - 2⁹ = 31230243511 is a prime.

It is a super-2 number, since 2×31230244023² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31230243984 and 31230244002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31230244027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8923728 + ... + 8927226.

It is an arithmetic number, because the mean of its divisors is an integer number (1428840000).

Almost surely, 2^31230244023 is an apocalyptic number.

31230244023 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31230244023 is a deficient number, since it is larger than the sum of its proper divisors (14492635977).

31230244023 is a wasteful number, since it uses less digits than its factorization.

31230244023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31230244023 its reverse (32044203213), we get a palindrome (63274447236).

The spelling of 31230244023 in words is "thirty-one billion, two hundred thirty million, two hundred forty-four thousand, twenty-three".