31407116 has 48 divisors (see below), whose sum is σ = 62445600. Its totient is φ = 13719552.

The previous prime is 31407073. The next prime is 31407137. The reversal of 31407116 is 61170413.

It is a junction number, because it is equal to n+sod(n) for n = 31407091 and 31407100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88796 + ... + 89148.

It is an arithmetic number, because the mean of its divisors is an integer number (1300950).

Almost surely, 2^31407116 is an apocalyptic number.

It is an amenable number.

31407116 is a deficient number, since it is larger than the sum of its proper divisors (31038484).

31407116 is a wasteful number, since it uses less digits than its factorization.

31407116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 31407116 is about 5604.2052068068. The cubic root of 31407116 is about 315.5072569477.

Adding to 31407116 its reverse (61170413), we get a palindrome (92577529).

The spelling of 31407116 in words is "thirty-one million, four hundred seven thousand, one hundred sixteen".