31412828 has 12 divisors (see below), whose sum is σ = 55050912. Its totient is φ = 15684000.

The previous prime is 31412813. The next prime is 31412831. The reversal of 31412828 is 82821413.

It is a self number, because there is not a number n which added to its sum of digits gives 31412828.

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, 2225 + ... + 8232.

It is an arithmetic number, because the mean of its divisors is an integer number (4587576).

Almost surely, 2^31412828 is an apocalyptic number.

It is an amenable number.

31412828 is a deficient number, since it is larger than the sum of its proper divisors (23638084).

31412828 is a wasteful number, since it uses less digits than its factorization.

31412828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11212 (or 11210 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 31412828 is about 5604.7148009511. The cubic root of 31412828 is about 315.5263828490.

The spelling of 31412828 in words is "thirty-one million, four hundred twelve thousand, eight hundred twenty-eight".