31424402024 has 32 divisors (see below), whose sum is σ = 62393284800. Its totient is φ = 14796097920.

The previous prime is 31424401969. The next prime is 31424402047. The reversal of 31424402024 is 42020442413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31424401984 and 31424402002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593597 + ... + 644364.

It is an arithmetic number, because the mean of its divisors is an integer number (1949790150).

Almost surely, 2^31424402024 is an apocalyptic number.

It is an amenable number.

31424402024 is a deficient number, since it is larger than the sum of its proper divisors (30968882776).

31424402024 is a wasteful number, since it uses less digits than its factorization.

31424402024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238153 (or 1238149 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 31424402024 its reverse (42020442413), we get a palindrome (73444844437).

The spelling of 31424402024 in words is "thirty-one billion, four hundred twenty-four million, four hundred two thousand, twenty-four".