131011332 has 24 divisors (see below), whose sum is σ = 315555072. Its totient is φ = 42261600.

The previous prime is 131011313. The next prime is 131011337. The reversal of 131011332 is 233110131.

It is a super-2 number, since 2×131011332² = 34327938224828448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131011337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175719 + ... + 176462.

It is an arithmetic number, because the mean of its divisors is an integer number (13148128).

Almost surely, 2^131011332 is an apocalyptic number.

131011332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131011332 is an abundant number, since it is smaller than the sum of its proper divisors (184543740).

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

131011332 is a wasteful number, since it uses less digits than its factorization.

131011332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352219 (or 352217 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 131011332 is about 11446.0181722728. The cubic root of 131011332 is about 507.8899517752.

Adding to 131011332 its reverse (233110131), we get a palindrome (364121463).

The spelling of 131011332 in words is "one hundred thirty-one million, eleven thousand, three hundred thirty-two".