1130031331 has 16 divisors (see below), whose sum is σ = 1385314560. Its totient is φ = 907045920.

The previous prime is 1130031323. The next prime is 1130031341. The reversal of 1130031331 is 1331300311.

It is not a de Polignac number, because 1130031331 - 2³ = 1130031323 is a prime.

It is a super-2 number, since 2×1130031331² = 2553941618083263122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130031341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168501 + ... + 175078.

It is an arithmetic number, because the mean of its divisors is an integer number (86582160).

Almost surely, 2^1130031331 is an apocalyptic number.

1130031331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1130031331 is a deficient number, since it is larger than the sum of its proper divisors (255283229).

1130031331 is a wasteful number, since it uses less digits than its factorization.

1130031331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343626.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1130031331 is about 33615.9386452320. The cubic root of 1130031331 is about 1041.5900636945.

Adding to 1130031331 its reverse (1331300311), we get a palindrome (2461331642).

The spelling of 1130031331 in words is "one billion, one hundred thirty million, thirty-one thousand, three hundred thirty-one".