311102023112 has 8 divisors (see below), whose sum is σ = 583316293350. Its totient is φ = 155551011552.

The previous prime is 311102023097. The next prime is 311102023117. The reversal of 311102023112 is 211320201113.

It can be written as a sum of positive squares in only one way, i.e., 302176686436 + 8925336676 = 549706^2 + 94474^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (311102023117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19443876437 + ... + 19443876452.

Almost surely, 2^311102023112 is an apocalyptic number.

It is an amenable number.

311102023112 is a deficient number, since it is larger than the sum of its proper divisors (272214270238).

311102023112 is a wasteful number, since it uses less digits than its factorization.

311102023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38887752895 (or 38887752891 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 311102023112 its reverse (211320201113), we get a palindrome (522422224225).

The spelling of 311102023112 in words is "three hundred eleven billion, one hundred two million, twenty-three thousand, one hundred twelve".