131020311233 has 8 divisors (see below), whose sum is σ = 156247824768. Its totient is φ = 107420379264.

The previous prime is 131020311199. The next prime is 131020311277. The reversal of 131020311233 is 332113020131.

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 131020311233 - 2¹⁴ = 131020294849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131020316233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406895216 + ... + 406895537.

It is an arithmetic number, because the mean of its divisors is an integer number (19530978096).

Almost surely, 2^131020311233 is an apocalyptic number.

It is an amenable number.

131020311233 is a deficient number, since it is larger than the sum of its proper divisors (25227513535).

131020311233 is an equidigital number, since it uses as much as digits as its factorization.

131020311233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813790783.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131020311233 its reverse (332113020131), we get a palindrome (463133331364).

The spelling of 131020311233 in words is "one hundred thirty-one billion, twenty million, three hundred eleven thousand, two hundred thirty-three".