131023333031 has 8 divisors (see below), whose sum is σ = 134677344624. Its totient is φ = 127375260480.

The previous prime is 131023332953. The next prime is 131023333033. The reversal of 131023333031 is 130333320131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131023333031 is a prime.

It is a super-2 number, since 2×131023333031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131023332988 and 131023333006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131023333033) 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 7 ways as a sum of consecutive naturals, for example, 1440005 + ... + 1528286.

It is an arithmetic number, because the mean of its divisors is an integer number (16834668078).

Almost surely, 2^131023333031 is an apocalyptic number.

131023333031 is a deficient number, since it is larger than the sum of its proper divisors (3654011593).

131023333031 is a wasteful number, since it uses less digits than its factorization.

131023333031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969521.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 131023333031 its reverse (130333320131), we get a palindrome (261356653162).

The spelling of 131023333031 in words is "one hundred thirty-one billion, twenty-three million, three hundred thirty-three thousand, thirty-one".