1131331632 has 20 divisors (see below), whose sum is σ = 2922606840. Its totient is φ = 377110528.

The previous prime is 1131331627. The next prime is 1131331711. The reversal of 1131331632 is 2361331311.

It is a super-2 number, since 2×1131331632² = 2559822523127566848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11784657 + ... + 11784752.

It is an arithmetic number, because the mean of its divisors is an integer number (146130342).

Almost surely, 2^1131331632 is an apocalyptic number.

1131331632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131331632 is an abundant number, since it is smaller than the sum of its proper divisors (1791275208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131331632 is a wasteful number, since it uses less digits than its factorization.

1131331632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23569420 (or 23569414 counting only the distinct ones).

The product of its digits is 972, while the sum is 24.

The square root of 1131331632 is about 33635.2736275476. The cubic root of 1131331632 is about 1041.9894217805.

Adding to 1131331632 its reverse (2361331311), we get a palindrome (3492662943).

The spelling of 1131331632 in words is "one billion, one hundred thirty-one million, three hundred thirty-one thousand, six hundred thirty-two".