131302031 has 8 divisors (see below), whose sum is σ = 151517184. Its totient is φ = 111451320.

The previous prime is 131302001. The next prime is 131302037. The reversal of 131302031 is 130203131.

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

It is a cyclic number.

It is not a de Polignac number, because 131302031 - 2¹⁴ = 131285647 is a prime.

It is a super-2 number, since 2×131302031² = 34480446689449922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131301997 and 131302015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131302037) 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, 90335 + ... + 91776.

It is an arithmetic number, because the mean of its divisors is an integer number (18939648).

Almost surely, 2^131302031 is an apocalyptic number.

131302031 is a deficient number, since it is larger than the sum of its proper divisors (20215153).

131302031 is a wasteful number, since it uses less digits than its factorization.

131302031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182221.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 131302031 is about 11458.7098313903. The cubic root of 131302031 is about 508.2653239721.

Adding to 131302031 its reverse (130203131), we get a palindrome (261505162).

The spelling of 131302031 in words is "one hundred thirty-one million, three hundred two thousand, thirty-one".