131000303233 has 4 divisors (see below), whose sum is σ = 131001587028. Its totient is φ = 130999019440.

The previous prime is 131000303207. The next prime is 131000303249. The reversal of 131000303233 is 332303000131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6798332304 + 124201970929 = 82452^2 + 352423^2 .

It is a cyclic number.

It is not a de Polignac number, because 131000303233 - 2¹⁷ = 131000172161 is a prime.

It is a super-2 number, since 2×131000303233² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131000303233.

It is not an unprimeable number, because it can be changed into a prime (131000303033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474238 + ... + 697783.

It is an arithmetic number, because the mean of its divisors is an integer number (32750396757).

Almost surely, 2^131000303233 is an apocalyptic number.

It is an amenable number.

131000303233 is a deficient number, since it is larger than the sum of its proper divisors (1283795).

131000303233 is a wasteful number, since it uses less digits than its factorization.

131000303233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283794.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 131000303233 its reverse (332303000131), we get a palindrome (463303303364).

The spelling of 131000303233 in words is "one hundred thirty-one billion, three hundred three thousand, two hundred thirty-three".