311102140113 has 48 divisors (see below), whose sum is σ = 500027463936. Its totient is φ = 185508610560.

The previous prime is 311102140103. The next prime is 311102140121. The reversal of 311102140113 is 311041201113.

It is a happy number.

311102140113 is a `hidden beast` number, since 311 + 102 + 140 + 113 = 666.

311102140113 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 311102140113 - 2¹² = 311102136017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311102140103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 395593 + ... + 882438.

It is an arithmetic number, because the mean of its divisors is an integer number (10417238832).

Almost surely, 2^311102140113 is an apocalyptic number.

It is an amenable number.

311102140113 is a deficient number, since it is larger than the sum of its proper divisors (188925323823).

311102140113 is a wasteful number, since it uses less digits than its factorization.

311102140113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278134 (or 1278131 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 311102140113 its reverse (311041201113), we get a palindrome (622143341226).

The spelling of 311102140113 in words is "three hundred eleven billion, one hundred two million, one hundred forty thousand, one hundred thirteen".