31413316 has 12 divisors (see below), whose sum is σ = 59970960. Its totient is φ = 14278760.

The previous prime is 31413313. The next prime is 31413329. The reversal of 31413316 is 61331413.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (31413313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356926 + ... + 357013.

It is an arithmetic number, because the mean of its divisors is an integer number (4997580).

Almost surely, 2^31413316 is an apocalyptic number.

It is an amenable number.

31413316 is a deficient number, since it is larger than the sum of its proper divisors (28557644).

31413316 is a wasteful number, since it uses less digits than its factorization.

31413316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713954 (or 713952 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 31413316 is about 5604.7583355574. The cubic root of 31413316 is about 315.5280167471.

Adding to 31413316 its reverse (61331413), we get a palindrome (92744729).

The spelling of 31413316 in words is "thirty-one million, four hundred thirteen thousand, three hundred sixteen".