31341424020 has 24 divisors (see below), whose sum is σ = 87755987424. Its totient is φ = 8357713056.

The previous prime is 31341423991. The next prime is 31341424021. The reversal of 31341424020 is 2042414313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31341424021) 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, 261178474 + ... + 261178593.

It is an arithmetic number, because the mean of its divisors is an integer number (3656499476).

Almost surely, 2^31341424020 is an apocalyptic number.

31341424020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31341424020 is an abundant number, since it is smaller than the sum of its proper divisors (56414563404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31341424020 is a wasteful number, since it uses less digits than its factorization.

31341424020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522357079 (or 522357077 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 31341424020 its reverse (2042414313), we get a palindrome (33383838333).

The spelling of 31341424020 in words is "thirty-one billion, three hundred forty-one million, four hundred twenty-four thousand, twenty".