31424024131 has 8 divisors (see below), whose sum is σ = 32670972000. Its totient is φ = 30187967040.

The previous prime is 31424024129. The next prime is 31424024197. The reversal of 31424024131 is 13142042413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31424024131 - 2¹ = 31424024129 is a prime.

It is a super-2 number, since 2×31424024131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31424024096 and 31424024105.

It is not an unprimeable number, because it can be changed into a prime (31424024431) 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, 2716810 + ... + 2728351.

It is an arithmetic number, because the mean of its divisors is an integer number (4083871500).

Almost surely, 2^31424024131 is an apocalyptic number.

31424024131 is a deficient number, since it is larger than the sum of its proper divisors (1246947869).

31424024131 is a wasteful number, since it uses less digits than its factorization.

31424024131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445389.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31424024131 its reverse (13142042413), we get a palindrome (44566066544).

The spelling of 31424024131 in words is "thirty-one billion, four hundred twenty-four million, twenty-four thousand, one hundred thirty-one".