131303737 has 16 divisors (see below), whose sum is σ = 142326720. Its totient is φ = 120744000.

The previous prime is 131303729. The next prime is 131303741. The reversal of 131303737 is 737303131.

It is a cyclic number.

It is not a de Polignac number, because 131303737 - 2³ = 131303729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131303707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101062 + ... + 102352.

It is an arithmetic number, because the mean of its divisors is an integer number (8895420).

Almost surely, 2^131303737 is an apocalyptic number.

It is an amenable number.

131303737 is a deficient number, since it is larger than the sum of its proper divisors (11022983).

131303737 is a wasteful number, since it uses less digits than its factorization.

131303737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464.

The product of its (nonzero) digits is 3969, while the sum is 28.

The square root of 131303737 is about 11458.7842723388. The cubic root of 131303737 is about 508.2675252502.

Adding to 131303737 its reverse (737303131), we get a palindrome (868606868).

The spelling of 131303737 in words is "one hundred thirty-one million, three hundred three thousand, seven hundred thirty-seven".