1130023431 has 12 divisors (see below), whose sum is σ = 1632881952. Its totient is φ = 753060096.

The previous prime is 1130023399. The next prime is 1130023457. The reversal of 1130023431 is 1343200311.

It is not a de Polignac number, because 1130023431 - 2⁵ = 1130023399 is a prime.

It is a super-2 number, since 2×1130023431² = 2553905909218023522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130023481) 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, 2215 + ... + 47591.

It is an arithmetic number, because the mean of its divisors is an integer number (136073496).

Almost surely, 2^1130023431 is an apocalyptic number.

1130023431 is a deficient number, since it is larger than the sum of its proper divisors (502858521).

1130023431 is a wasteful number, since it uses less digits than its factorization.

1130023431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48150 (or 48147 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1130023431 is about 33615.8211412424. The cubic root of 1130023431 is about 1041.5876364519.

Adding to 1130023431 its reverse (1343200311), we get a palindrome (2473223742).

The spelling of 1130023431 in words is "one billion, one hundred thirty million, twenty-three thousand, four hundred thirty-one".