234311131013 has 4 divisors (see below), whose sum is σ = 234334315008. Its totient is φ = 234287947020.

The previous prime is 234311131009. The next prime is 234311131069. The reversal of 234311131013 is 310131113432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234311131013 - 2² = 234311131009 is a prime.

It is a super-2 number, since 2×234311131013² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 234311131013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234311131003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11576831 + ... + 11597052.

It is an arithmetic number, because the mean of its divisors is an integer number (58583578752).

Almost surely, 2^234311131013 is an apocalyptic number.

It is an amenable number.

234311131013 is a deficient number, since it is larger than the sum of its proper divisors (23183995).

234311131013 is a wasteful number, since it uses less digits than its factorization.

234311131013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23183994.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 234311131013 its reverse (310131113432), we get a palindrome (544442244445).

The spelling of 234311131013 in words is "two hundred thirty-four billion, three hundred eleven million, one hundred thirty-one thousand, thirteen".