31396411 has 4 divisors (see below), whose sum is σ = 31508424. Its totient is φ = 31284400.

The previous prime is 31396381. The next prime is 31396439. The reversal of 31396411 is 11469313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31396411 - 2⁹ = 31395899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31396411.

It is not an unprimeable number, because it can be changed into a prime (31396451) 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, 55585 + ... + 56146.

It is an arithmetic number, because the mean of its divisors is an integer number (7877106).

Almost surely, 2^31396411 is an apocalyptic number.

31396411 is a deficient number, since it is larger than the sum of its proper divisors (112013).

31396411 is a wasteful number, since it uses less digits than its factorization.

31396411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112012.

The product of its digits is 1944, while the sum is 28.

The square root of 31396411 is about 5603.2500390398. The cubic root of 31396411 is about 315.4714063781.

The spelling of 31396411 in words is "thirty-one million, three hundred ninety-six thousand, four hundred eleven".