1031013230231 has 4 divisors (see below), whose sum is σ = 1040137241232. Its totient is φ = 1021889219232.

The previous prime is 1031013230227. The next prime is 1031013230251. The reversal of 1031013230231 is 1320323101301.

1031013230231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1031013230231 - 2² = 1031013230227 is a prime.

It is a super-2 number, since 2×1031013230231² (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 (1031013230251) 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, 4562005331 + ... + 4562005556.

It is an arithmetic number, because the mean of its divisors is an integer number (260034310308).

Almost surely, 2^{1031013230231} is an apocalyptic number.

1031013230231 is a deficient number, since it is larger than the sum of its proper divisors (9124011001).

1031013230231 is an equidigital number, since it uses as much as digits as its factorization.

1031013230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9124011000.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1031013230231 its reverse (1320323101301), we get a palindrome (2351336331532).

The spelling of 1031013230231 in words is "one trillion, thirty-one billion, thirteen million, two hundred thirty thousand, two hundred thirty-one".