31343365113 has 4 divisors (see below), whose sum is σ = 41791153488. Its totient is φ = 20895576740.

The previous prime is 31343365111. The next prime is 31343365129. The reversal of 31343365113 is 31156334313.

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.

It is a cyclic number.

It is not a de Polignac number, because 31343365113 - 2¹ = 31343365111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31343365111) 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, 5223894183 + ... + 5223894188.

It is an arithmetic number, because the mean of its divisors is an integer number (10447788372).

Almost surely, 2^31343365113 is an apocalyptic number.

It is an amenable number.

31343365113 is a deficient number, since it is larger than the sum of its proper divisors (10447788375).

31343365113 is a wasteful number, since it uses less digits than its factorization.

31343365113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10447788374.

The product of its digits is 29160, while the sum is 33.

Adding to 31343365113 its reverse (31156334313), we get a palindrome (62499699426).

The spelling of 31343365113 in words is "thirty-one billion, three hundred forty-three million, three hundred sixty-five thousand, one hundred thirteen".