1331130232 has 16 divisors (see below), whose sum is σ = 2512400400. Its totient is φ = 661156800.

The previous prime is 1331130187. The next prime is 1331130239. The reversal of 1331130232 is 2320311331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331130239) 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, 549757 + ... + 552172.

It is an arithmetic number, because the mean of its divisors is an integer number (157025025).

Almost surely, 2^1331130232 is an apocalyptic number.

It is an amenable number.

1331130232 is a deficient number, since it is larger than the sum of its proper divisors (1181270168).

1331130232 is a wasteful number, since it uses less digits than its factorization.

1331130232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102086 (or 1102082 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1331130232 is about 36484.6574877715. The cubic root of 1331130232 is about 1100.0358754140.

Adding to 1331130232 its reverse (2320311331), we get a palindrome (3651441563).

The spelling of 1331130232 in words is "one billion, three hundred thirty-one million, one hundred thirty thousand, two hundred thirty-two".