311130122103312 has 40 divisors (see below), whose sum is σ = 803769394695456. Its totient is φ = 103707901441536.

The previous prime is 311130122103299. The next prime is 311130122103313. The reversal of 311130122103312 is 213301221031113.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (311130122103313) 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, 64499758 + ... + 69155469.

Almost surely, 2^{311130122103312} is an apocalyptic number.

It is an amenable number.

311130122103312 is an abundant number, since it is smaller than the sum of its proper divisors (492639272592144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311130122103312 is a wasteful number, since it uses less digits than its factorization.

311130122103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133703735 (or 133703729 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 311130122103312 its reverse (213301221031113), we get a palindrome (524431343134425).

The spelling of 311130122103312 in words is "three hundred eleven trillion, one hundred thirty billion, one hundred twenty-two million, one hundred three thousand, three hundred twelve".