311123111011013 has 32 divisors (see below), whose sum is σ = 382095093872640. Its totient is φ = 247404948557760.

The previous prime is 311123111011007. The next prime is 311123111011033. The reversal of 311123111011013 is 310110111321113.

It is not a de Polignac number, because 311123111011013 - 2⁶ = 311123111010949 is a prime.

It is a super-2 number, since 2×311123111011013² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311123111011033) 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, 82626881 + ... + 86310182.

It is an arithmetic number, because the mean of its divisors is an integer number (11940471683520).

Almost surely, 2^{311123111011013} is an apocalyptic number.

It is an amenable number.

311123111011013 is a deficient number, since it is larger than the sum of its proper divisors (70971982861627).

311123111011013 is a wasteful number, since it uses less digits than its factorization.

311123111011013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168937377.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 311123111011013 its reverse (310110111321113), we get a palindrome (621233222332126).

The spelling of 311123111011013 in words is "three hundred eleven trillion, one hundred twenty-three billion, one hundred eleven million, eleven thousand, thirteen".