31412980 has 12 divisors (see below), whose sum is σ = 65967300. Its totient is φ = 12565184.

The previous prime is 31412977. The next prime is 31412981. The reversal of 31412980 is 8921413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21641104 + 9771876 = 4652^2 + 3126^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31412981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785305 + ... + 785344.

It is an arithmetic number, because the mean of its divisors is an integer number (5497275).

Almost surely, 2^31412980 is an apocalyptic number.

It is an amenable number.

31412980 is an abundant number, since it is smaller than the sum of its proper divisors (34554320).

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

31412980 is a wasteful number, since it uses less digits than its factorization.

31412980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570658 (or 1570656 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 31412980 is about 5604.7283609467. The cubic root of 31412980 is about 315.5268917699.

The spelling of 31412980 in words is "thirty-one million, four hundred twelve thousand, nine hundred eighty".