31613461 has 8 divisors (see below), whose sum is σ = 34602048. Its totient is φ = 28644000.

The previous prime is 31613441. The next prime is 31613513. The reversal of 31613461 is 16431613.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31613461 - 2⁷ = 31613333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31613401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200 + ... + 8041.

It is an arithmetic number, because the mean of its divisors is an integer number (4325256).

Almost surely, 2^31613461 is an apocalyptic number.

It is an amenable number.

31613461 is a deficient number, since it is larger than the sum of its proper divisors (2988587).

31613461 is a wasteful number, since it uses less digits than its factorization.

31613461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9563.

The product of its digits is 1296, while the sum is 25.

The square root of 31613461 is about 5622.5849037609. The cubic root of 31613461 is about 316.1967109616.

The spelling of 31613461 in words is "thirty-one million, six hundred thirteen thousand, four hundred sixty-one".