31480632 has 48 divisors (see below), whose sum is σ = 85527000. Its totient is φ = 10460736.

The previous prime is 31480621. The next prime is 31480639. The reversal of 31480632 is 23608413.

It is a happy number.

It is a super-2 number, since 2×31480632² = 1982060382238848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31480596 and 31480605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31480639) 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, 36219 + ... + 37077.

Almost surely, 2^31480632 is an apocalyptic number.

It is an amenable number.

31480632 is an abundant number, since it is smaller than the sum of its proper divisors (54046368).

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

31480632 is a wasteful number, since it uses less digits than its factorization.

31480632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 31480632 is about 5610.7603762770. The cubic root of 31480632 is about 315.7532389653.

The spelling of 31480632 in words is "thirty-one million, four hundred eighty thousand, six hundred thirty-two".