311231011100012 has 24 divisors (see below), whose sum is σ = 557981235101472. Its totient is φ = 151808382230400.

The previous prime is 311231011100003. The next prime is 311231011100033. The reversal of 311231011100012 is 210001110132113.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70496039 + ... + 74780702.

It is an arithmetic number, because the mean of its divisors is an integer number (23249218129228).

Almost surely, 2^{311231011100012} is an apocalyptic number.

It is an amenable number.

311231011100012 is a deficient number, since it is larger than the sum of its proper divisors (246750224001460).

311231011100012 is a wasteful number, since it uses less digits than its factorization.

311231011100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145289849 (or 145289847 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 311231011100012 its reverse (210001110132113), we get a palindrome (521232121232125).

The spelling of 311231011100012 in words is "three hundred eleven trillion, two hundred thirty-one billion, eleven million, one hundred thousand, twelve".