1000231113231 has 12 divisors (see below), whose sum is σ = 1651175171152. Its totient is φ = 571560636096.

The previous prime is 1000231113223. The next prime is 1000231113263. The reversal of 1000231113231 is 1323111320001.

1000231113231 is a `hidden beast` number, since 100 + 0 + 231 + 11 + 323 + 1 = 666.

1000231113231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000231113231 - 2³ = 1000231113223 is a prime.

It is a super-2 number, since 2×1000231113231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000231153231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7938342106 + ... + 7938342231.

Almost surely, 2^{1000231113231} is an apocalyptic number.

1000231113231 is a deficient number, since it is larger than the sum of its proper divisors (650944057921).

1000231113231 is a wasteful number, since it uses less digits than its factorization.

1000231113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15876684350 (or 15876684347 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1000231113231 its reverse (1323111320001), we get a palindrome (2323342433232).

The spelling of 1000231113231 in words is "one trillion, two hundred thirty-one million, one hundred thirteen thousand, two hundred thirty-one".