31472104 has 8 divisors (see below), whose sum is σ = 59010210. Its totient is φ = 15736048.

The previous prime is 31472069. The next prime is 31472107. The reversal of 31472104 is 40127413.

It can be written as a sum of positive squares in only one way, i.e., 31472100 + 4 = 5610^2 + 2^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (31472107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1966999 + ... + 1967014.

Almost surely, 2^31472104 is an apocalyptic number.

It is an amenable number.

31472104 is a deficient number, since it is larger than the sum of its proper divisors (27538106).

31472104 is a wasteful number, since it uses less digits than its factorization.

31472104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934019 (or 3934015 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 31472104 is about 5610.0003565062. Note that the first 3 decimals coincide. The cubic root of 31472104 is about 315.7247242179.

Adding to 31472104 its reverse (40127413), we get a palindrome (71599517).

The spelling of 31472104 in words is "thirty-one million, four hundred seventy-two thousand, one hundred four".