31494404 has 24 divisors (see below), whose sum is σ = 59719968. Its totient is φ = 14474880.

The previous prime is 31494401. The next prime is 31494427. The reversal of 31494404 is 40449413.

It is not an unprimeable number, because it can be changed into a prime (31494401) 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, 2462 + ... + 8309.

It is an arithmetic number, because the mean of its divisors is an integer number (2488332).

Almost surely, 2^31494404 is an apocalyptic number.

31494404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31494404 is a deficient number, since it is larger than the sum of its proper divisors (28225564).

31494404 is a wasteful number, since it uses less digits than its factorization.

31494404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10835 (or 10833 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 31494404 is about 5611.9875267146. The cubic root of 31494404 is about 315.7992770037.

The spelling of 31494404 in words is "thirty-one million, four hundred ninety-four thousand, four hundred four".