1131404310 has 48 divisors (see below), whose sum is σ = 2944472544. Its totient is φ = 301418496.

The previous prime is 1131404299. The next prime is 1131404311. The reversal of 1131404310 is 134041311.

It is a super-2 number, since 2×1131404310² = 2560151425373152200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131404311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98319 + ... + 109221.

It is an arithmetic number, because the mean of its divisors is an integer number (61343178).

Almost surely, 2^1131404310 is an apocalyptic number.

1131404310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131404310 is an abundant number, since it is smaller than the sum of its proper divisors (1813068234).

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

1131404310 is a wasteful number, since it uses less digits than its factorization.

1131404310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12069 (or 12066 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1131404310 is about 33636.3539938561. The cubic root of 1131404310 is about 1042.0117341551.

Adding to 1131404310 its reverse (134041311), we get a palindrome (1265445621).

The spelling of 1131404310 in words is "one billion, one hundred thirty-one million, four hundred four thousand, three hundred ten".