31428162 has 24 divisors (see below), whose sum is σ = 70617456. Its totient is φ = 10475892.

The previous prime is 31428151. The next prime is 31428167. The reversal of 31428162 is 26182413.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (31428167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31848 + ... + 32819.

It is an arithmetic number, because the mean of its divisors is an integer number (2942394).

Almost surely, 2^31428162 is an apocalyptic number.

31428162 is an abundant number, since it is smaller than the sum of its proper divisors (39189294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31428162 is an equidigital number, since it uses as much as digits as its factorization.

31428162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64684 (or 64672 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 31428162 is about 5606.0825894737. The cubic root of 31428162 is about 315.5777153228.

The spelling of 31428162 in words is "thirty-one million, four hundred twenty-eight thousand, one hundred sixty-two".