31102345111 has 8 divisors (see below), whose sum is σ = 32493405600. Its totient is φ = 29732522400.

The previous prime is 31102345097. The next prime is 31102345147. The reversal of 31102345111 is 11154320113.

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 a de Polignac number, because none of the positive numbers 2^k-31102345111 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 (31102342111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5306451 + ... + 5312308.

It is an arithmetic number, because the mean of its divisors is an integer number (4061675700).

Almost surely, 2^31102345111 is an apocalyptic number.

31102345111 is a deficient number, since it is larger than the sum of its proper divisors (1391060489).

31102345111 is a wasteful number, since it uses less digits than its factorization.

31102345111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10618889.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 31102345111 its reverse (11154320113), we get a palindrome (42256665224).

The spelling of 31102345111 in words is "thirty-one billion, one hundred two million, three hundred forty-five thousand, one hundred eleven".