31312010111 has 8 divisors (see below), whose sum is σ = 31502173248. Its totient is φ = 31122036000.

The previous prime is 31312010057. The next prime is 31312010129. The reversal of 31312010111 is 11101021313.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 31312010111 - 2⁶ = 31312010047 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 (31312016111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292421 + ... + 384881.

It is an arithmetic number, because the mean of its divisors is an integer number (3937771656).

Almost surely, 2^31312010111 is an apocalyptic number.

31312010111 is a deficient number, since it is larger than the sum of its proper divisors (190163137).

31312010111 is a wasteful number, since it uses less digits than its factorization.

31312010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94513.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 31312010111 its reverse (11101021313), we get a palindrome (42413031424).

The spelling of 31312010111 in words is "thirty-one billion, three hundred twelve million, ten thousand, one hundred eleven".