1131313700 has 54 divisors (see below), whose sum is σ = 2698445778. Its totient is φ = 411382400.

The previous prime is 1131313661. The next prime is 1131313717. The reversal of 1131313700 is 73131311.

It can be written as a sum of positive squares in 3 ways, for example, as 198866404 + 932447296 = 14102^2 + 30536^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34649 + ... + 58848.

Almost surely, 2^1131313700 is an apocalyptic number.

1131313700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131313700 is an abundant number, since it is smaller than the sum of its proper divisors (1567132078).

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

1131313700 is a wasteful number, since it uses less digits than its factorization.

1131313700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93533 (or 93515 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 1131313700 is about 33635.0070610963. The cubic root of 1131313700 is about 1041.9839164531.

The spelling of 1131313700 in words is "one billion, one hundred thirty-one million, three hundred thirteen thousand, seven hundred".