131230113331 has 4 divisors (see below), whose sum is σ = 133454352600. Its totient is φ = 129005874064.

The previous prime is 131230113283. The next prime is 131230113359. The reversal of 131230113331 is 133311032131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133311032131 = 1489 ⋅89530579.

It is a cyclic number.

It is not a de Polignac number, because 131230113331 - 2¹⁵ = 131230080563 is a prime.

It is a super-3 number, since 3×131230113331³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131230113031) 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, 1112119546 + ... + 1112119663.

It is an arithmetic number, because the mean of its divisors is an integer number (33363588150).

Almost surely, 2^131230113331 is an apocalyptic number.

131230113331 is a deficient number, since it is larger than the sum of its proper divisors (2224239269).

131230113331 is an equidigital number, since it uses as much as digits as its factorization.

131230113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224239268.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 131230113331 its reverse (133311032131), we get a palindrome (264541145462).

The spelling of 131230113331 in words is "one hundred thirty-one billion, two hundred thirty million, one hundred thirteen thousand, three hundred thirty-one".