1150311320 has 32 divisors (see below), whose sum is σ = 2589369120. Its totient is φ = 459916800.

The previous prime is 1150311301. The next prime is 1150311353. The reversal of 1150311320 is 231130511.

It is a super-2 number, since 2×1150311320² = 2646432265840284800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108245 + ... + 118395.

It is an arithmetic number, because the mean of its divisors is an integer number (80917785).

Almost surely, 2^1150311320 is an apocalyptic number.

1150311320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150311320 is an abundant number, since it is smaller than the sum of its proper divisors (1439057800).

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

1150311320 is a wasteful number, since it uses less digits than its factorization.

1150311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12995 (or 12991 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1150311320 is about 33916.2397679931. The cubic root of 1150311320 is about 1047.7840857176.

Adding to 1150311320 its reverse (231130511), we get a palindrome (1381441831).

The spelling of 1150311320 in words is "one billion, one hundred fifty million, three hundred eleven thousand, three hundred twenty".