1131334020 has 96 divisors (see below), whose sum is σ = 3726777600. Its totient is φ = 283940352.

The previous prime is 1131334013. The next prime is 1131334049. The reversal of 1131334020 is 204331311.

1131334020 is a `hidden beast` number, since 11 + 313 + 340 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1131333984 and 1131334002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52440 + ... + 70799.

It is an arithmetic number, because the mean of its divisors is an integer number (38820600).

Almost surely, 2^1131334020 is an apocalyptic number.

1131334020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131334020 is an abundant number, since it is smaller than the sum of its proper divisors (2595443580).

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

1131334020 is a wasteful number, since it uses less digits than its factorization.

1131334020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123274 (or 123266 counting only the distinct ones).

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

The square root of 1131334020 is about 33635.3091259765. The cubic root of 1131334020 is about 1041.9901549192.

Adding to 1131334020 its reverse (204331311), we get a palindrome (1335665331).

The spelling of 1131334020 in words is "one billion, one hundred thirty-one million, three hundred thirty-four thousand, twenty".