311231011102123 has 32 divisors (see below), whose sum is σ = 379024446144384. Its totient is φ = 249471356239872.

The previous prime is 311231011102093. The next prime is 311231011102171. The reversal of 311231011102123 is 321201110132113.

It is a cyclic number.

It is not a de Polignac number, because 311231011102123 - 2³³ = 311222421167531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311231011102094 and 311231011102103.

It is not an unprimeable number, because it can be changed into a prime (311231011102423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 788094411 + ... + 788489227.

It is an arithmetic number, because the mean of its divisors is an integer number (11844513942012).

Almost surely, 2^{311231011102123} is an apocalyptic number.

311231011102123 is a deficient number, since it is larger than the sum of its proper divisors (67793435042261).

311231011102123 is a wasteful number, since it uses less digits than its factorization.

311231011102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437191.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 311231011102123 its reverse (321201110132113), we get a palindrome (632432121234236).

The spelling of 311231011102123 in words is "three hundred eleven trillion, two hundred thirty-one billion, eleven million, one hundred two thousand, one hundred twenty-three".