1031880231 has 12 divisors (see below), whose sum is σ = 1490776560. Its totient is φ = 687789600.

The previous prime is 1031880217. The next prime is 1031880281. The reversal of 1031880231 is 1320881301.

It is not a de Polignac number, because 1031880231 - 2²⁷ = 897662503 is a prime.

It is a super-2 number, since 2×1031880231² = 2129553622257226722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1031880195 and 1031880204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031880281) 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, 74155 + ... + 86963.

It is an arithmetic number, because the mean of its divisors is an integer number (124231380).

Almost surely, 2^1031880231 is an apocalyptic number.

1031880231 is a deficient number, since it is larger than the sum of its proper divisors (458896329).

1031880231 is a wasteful number, since it uses less digits than its factorization.

1031880231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21766 (or 21763 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1031880231 is about 32122.8926312684. The cubic root of 1031880231 is about 1010.5157745358.

The spelling of 1031880231 in words is "one billion, thirty-one million, eight hundred eighty thousand, two hundred thirty-one".