231102233133113 has 4 divisors (see below), whose sum is σ = 231102414915108. Its totient is φ = 231102051351120.

The previous prime is 231102233133103. The next prime is 231102233133119. The reversal of 231102233133113 is 311331332201132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3035846247424 + 228066386885689 = 1742368^2 + 15101867^2 .

It is a cyclic number.

It is not a de Polignac number, because 231102233133113 - 2²⁴ = 231102216355897 is a prime.

It is a super-2 number, since 2×231102233133113² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231102233133119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88970498 + ... + 91531163.

It is an arithmetic number, because the mean of its divisors is an integer number (57775603728777).

Almost surely, 2^{231102233133113} is an apocalyptic number.

It is an amenable number.

231102233133113 is a deficient number, since it is larger than the sum of its proper divisors (181781995).

231102233133113 is a wasteful number, since it uses less digits than its factorization.

231102233133113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181781994.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 231102233133113 its reverse (311331332201132), we get a palindrome (542433565334245).

The spelling of 231102233133113 in words is "two hundred thirty-one trillion, one hundred two billion, two hundred thirty-three million, one hundred thirty-three thousand, one hundred thirteen".