131302131 has 8 divisors (see below), whose sum is σ = 179339664. Its totient is φ = 85399680.

The previous prime is 131302117. The next prime is 131302139. The reversal of 131302131 is 131203131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131302131 - 2¹¹ = 131300083 is a prime.

It is a super-2 number, since 2×131302131² = 34480499210282322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131302131.

It is not an unprimeable number, because it can be changed into a prime (131302139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533626 + ... + 533871.

It is an arithmetic number, because the mean of its divisors is an integer number (22417458).

Almost surely, 2^131302131 is an apocalyptic number.

131302131 is a deficient number, since it is larger than the sum of its proper divisors (48037533).

131302131 is a wasteful number, since it uses less digits than its factorization.

131302131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067541.

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

The square root of 131302131 is about 11458.7141948824. The cubic root of 131302131 is about 508.2654530041.

Adding to 131302131 its reverse (131203131), we get a palindrome (262505262).

The spelling of 131302131 in words is "one hundred thirty-one million, three hundred two thousand, one hundred thirty-one".