20124234231031 has 32 divisors (see below), whose sum is σ = 24144778764288. Its totient is φ = 16399225217760.

The previous prime is 20124234231007. The next prime is 20124234231089. The reversal of 20124234231031 is 13013243242102.

It is not a de Polignac number, because 20124234231031 - 2⁵ = 20124234230999 is a prime.

It is a super-2 number, since 2×20124234231031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124234231931) 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, 448748496 + ... + 448793338.

It is an arithmetic number, because the mean of its divisors is an integer number (754524336384).

Almost surely, 2^{20124234231031} is an apocalyptic number.

20124234231031 is a deficient number, since it is larger than the sum of its proper divisors (4020544533257).

20124234231031 is a wasteful number, since it uses less digits than its factorization.

20124234231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61731.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20124234231031 its reverse (13013243242102), we get a palindrome (33137477473133).

The spelling of 20124234231031 in words is "twenty trillion, one hundred twenty-four billion, two hundred thirty-four million, two hundred thirty-one thousand, thirty-one".