31364413 has 4 divisors (see below), whose sum is σ = 31603968. Its totient is φ = 31124860.

The previous prime is 31364407. The next prime is 31364447. The reversal of 31364413 is 31446313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31446313 = 23 ⋅1367231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31364413 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 (31364483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119581 + ... + 119842.

It is an arithmetic number, because the mean of its divisors is an integer number (7900992).

Almost surely, 2^31364413 is an apocalyptic number.

It is an amenable number.

31364413 is a deficient number, since it is larger than the sum of its proper divisors (239555).

31364413 is a wasteful number, since it uses less digits than its factorization.

31364413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239554.

The product of its digits is 2592, while the sum is 25.

The square root of 31364413 is about 5600.3940039965. The cubic root of 31364413 is about 315.3641978896.

The spelling of 31364413 in words is "thirty-one million, three hundred sixty-four thousand, four hundred thirteen".