131280332 has 12 divisors (see below), whose sum is σ = 237662880. Its totient is φ = 63376656.

The previous prime is 131280301. The next prime is 131280371. The reversal of 131280332 is 233082131.

It is a junction number, because it is equal to n+sod(n) for n = 131280298 and 131280307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565748 + ... + 565979.

It is an arithmetic number, because the mean of its divisors is an integer number (19805240).

Almost surely, 2^131280332 is an apocalyptic number.

It is an amenable number.

131280332 is a deficient number, since it is larger than the sum of its proper divisors (106382548).

131280332 is a wasteful number, since it uses less digits than its factorization.

131280332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131760 (or 1131758 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 131280332 is about 11457.7629579251. The cubic root of 131280332 is about 508.2373237531.

The spelling of 131280332 in words is "one hundred thirty-one million, two hundred eighty thousand, three hundred thirty-two".