31460428 has 18 divisors (see below), whose sum is σ = 58108596. Its totient is φ = 14901624.

The previous prime is 31460413. The next prime is 31460431. The reversal of 31460428 is 82406413.

It is a junction number, because it is equal to n+sod(n) for n = 31460396 and 31460405.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9450 + ... + 12337.

Almost surely, 2^31460428 is an apocalyptic number.

31460428 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

31460428 is a deficient number, since it is larger than the sum of its proper divisors (26648168).

31460428 is a wasteful number, since it uses less digits than its factorization.

31460428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21829 (or 21808 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 31460428 is about 5608.9596183250. The cubic root of 31460428 is about 315.6856752678.

The spelling of 31460428 in words is "thirty-one million, four hundred sixty thousand, four hundred twenty-eight".