31425280504 has 16 divisors (see below), whose sum is σ = 62388424800. Its totient is φ = 14788367232.

The previous prime is 31425280499. The next prime is 31425280517. The reversal of 31425280504 is 40508252413.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 31425280504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115533984 + ... + 115534255.

It is an arithmetic number, because the mean of its divisors is an integer number (3899276550).

Almost surely, 2^31425280504 is an apocalyptic number.

31425280504 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31425280504 is a deficient number, since it is larger than the sum of its proper divisors (30963144296).

31425280504 is a wasteful number, since it uses less digits than its factorization.

31425280504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231068262 (or 231068258 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 31425280504 in words is "thirty-one billion, four hundred twenty-five million, two hundred eighty thousand, five hundred four".