1131055310 has 64 divisors (see below), whose sum is σ = 2557868544. Its totient is φ = 349814400.

The previous prime is 1131055297. The next prime is 1131055363. The reversal of 1131055310 is 135501311.

It is a super-2 number, since 2×1131055310² = 2558572228558392200, 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 31 ways as a sum of consecutive naturals, for example, 95264 + ... + 106476.

It is an arithmetic number, because the mean of its divisors is an integer number (39966696).

Almost surely, 2^1131055310 is an apocalyptic number.

1131055310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131055310 is an abundant number, since it is smaller than the sum of its proper divisors (1426813234).

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

1131055310 is a wasteful number, since it uses less digits than its factorization.

1131055310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11369.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 1131055310 is about 33631.1657544011. The cubic root of 1131055310 is about 1041.9045813331.

Adding to 1131055310 its reverse (135501311), we get a palindrome (1266556621).

The spelling of 1131055310 in words is "one billion, one hundred thirty-one million, fifty-five thousand, three hundred ten".