231311123319 has 16 divisors (see below), whose sum is σ = 309246649344. Its totient is φ = 153791664000.

The previous prime is 231311123291. The next prime is 231311123321. The reversal of 231311123319 is 913321113132.

It is a happy number.

It is not a de Polignac number, because 231311123319 - 2¹⁷ = 231310992247 is a prime.

It is a super-2 number, since 2×231311123319² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231311121319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6949972 + ... + 6983174.

It is an arithmetic number, because the mean of its divisors is an integer number (19327915584).

Almost surely, 2^231311123319 is an apocalyptic number.

231311123319 is a deficient number, since it is larger than the sum of its proper divisors (77935526025).

231311123319 is a wasteful number, since it uses less digits than its factorization.

231311123319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39398.

The product of its digits is 2916, while the sum is 30.

The spelling of 231311123319 in words is "two hundred thirty-one billion, three hundred eleven million, one hundred twenty-three thousand, three hundred nineteen".