131333323031 has 16 divisors (see below), whose sum is σ = 135252905760. Its totient is φ = 127469347200.

The previous prime is 131333322997. The next prime is 131333323039. The reversal of 131333323031 is 130323333131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131333323031 is a prime.

It is a super-2 number, since 2×131333323031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131333323039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6568856 + ... + 6588818.

It is an arithmetic number, because the mean of its divisors is an integer number (8453306610).

Almost surely, 2^131333323031 is an apocalyptic number.

131333323031 is a deficient number, since it is larger than the sum of its proper divisors (3919582729).

131333323031 is a wasteful number, since it uses less digits than its factorization.

131333323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21346.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 131333323031 its reverse (130323333131), we get a palindrome (261656656162).

The spelling of 131333323031 in words is "one hundred thirty-one billion, three hundred thirty-three million, three hundred twenty-three thousand, thirty-one".