1031234231 has 2 divisors, whose sum is σ = 1031234232. Its totient is φ = 1031234230.

The previous prime is 1031234203. The next prime is 1031234311. The reversal of 1031234231 is 1324321301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031234231 - 2¹⁰ = 1031233207 is a prime.

It is a super-2 number, since 2×1031234231² = 2126888078372322722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031234201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515617115 + 515617116.

It is an arithmetic number, because the mean of its divisors is an integer number (515617116).

Almost surely, 2^1031234231 is an apocalyptic number.

1031234231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031234231 is an equidigital number, since it uses as much as digits as its factorization.

1031234231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1031234231 is about 32112.8359227272. The cubic root of 1031234231 is about 1010.3048555282.

Adding to 1031234231 its reverse (1324321301), we get a palindrome (2355555532).

The spelling of 1031234231 in words is "one billion, thirty-one million, two hundred thirty-four thousand, two hundred thirty-one".