311400144013 has 8 divisors (see below), whose sum is σ = 363457919232. Its totient is φ = 261235378896.

The previous prime is 311400143969. The next prime is 311400144017. The reversal of 311400144013 is 310441004113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311400144013 - 2¹³ = 311400135821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311400144017) 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, 473252170 + ... + 473252827.

It is an arithmetic number, because the mean of its divisors is an integer number (45432239904).

Almost surely, 2^311400144013 is an apocalyptic number.

It is an amenable number.

311400144013 is a deficient number, since it is larger than the sum of its proper divisors (52057775219).

311400144013 is an equidigital number, since it uses as much as digits as its factorization.

311400144013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946505051.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 311400144013 its reverse (310441004113), we get a palindrome (621841148126).

The spelling of 311400144013 in words is "three hundred eleven billion, four hundred million, one hundred forty-four thousand, thirteen".