31480948 has 24 divisors (see below), whose sum is σ = 59411520. Its totient is φ = 14546880.

The previous prime is 31480919. The next prime is 31480949. The reversal of 31480948 is 84908413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31480949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1936 + ... + 8167.

It is an arithmetic number, because the mean of its divisors is an integer number (2475480).

Almost surely, 2^31480948 is an apocalyptic number.

31480948 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

31480948 is a deficient number, since it is larger than the sum of its proper divisors (27930572).

31480948 is a wasteful number, since it uses less digits than its factorization.

31480948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10167 (or 10165 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 31480948 is about 5610.7885363824. The cubic root of 31480948 is about 315.7542954634.

The spelling of 31480948 in words is "thirty-one million, four hundred eighty thousand, nine hundred forty-eight".