31342717011 has 4 divisors (see below), whose sum is σ = 41790289352. Its totient is φ = 20895144672.

The previous prime is 31342717009. The next prime is 31342717037. The reversal of 31342717011 is 11071724313.

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

It is not a de Polignac number, because 31342717011 - 2¹ = 31342717009 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 31342717011.

It is not an unprimeable number, because it can be changed into a prime (31342713011) 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, 5223786166 + ... + 5223786171.

It is an arithmetic number, because the mean of its divisors is an integer number (10447572338).

Almost surely, 2^31342717011 is an apocalyptic number.

31342717011 is a deficient number, since it is larger than the sum of its proper divisors (10447572341).

31342717011 is a wasteful number, since it uses less digits than its factorization.

31342717011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10447572340.

The product of its (nonzero) digits is 3528, while the sum is 30.

The spelling of 31342717011 in words is "thirty-one billion, three hundred forty-two million, seven hundred seventeen thousand, eleven".