31020103124424 has 384 divisors, whose sum is σ = 89072461296000. Its totient is φ = 10110863314944.

The previous prime is 31020103124419. The next prime is 31020103124443. The reversal of 31020103124424 is 42442130102013.

31020103124424 is a `hidden beast` number, since 3 + 1 + 0 + 201 + 0 + 3 + 12 + 442 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25240115842 + ... + 25240117070.

It is an arithmetic number, because the mean of its divisors is an integer number (231959534625).

Almost surely, 2^{31020103124424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31020103124424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44536230648000).

31020103124424 is an abundant number, since it is smaller than the sum of its proper divisors (58052358171576).

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

31020103124424 is a wasteful number, since it uses less digits than its factorization.

31020103124424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 31020103124424 its reverse (42442130102013), we get a palindrome (73462233226437).

The spelling of 31020103124424 in words is "thirty-one trillion, twenty billion, one hundred three million, one hundred twenty-four thousand, four hundred twenty-four".