133312130231 has 12 divisors (see below), whose sum is σ = 155088716760. Its totient is φ = 114259183920.

The previous prime is 133312130191. The next prime is 133312130267. The reversal of 133312130231 is 132031213331.

It is not a de Polignac number, because 133312130231 - 2¹⁸ = 133311868087 is a prime.

It is a super-2 number, since 2×133312130231² (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 = 133312130197 and 133312130206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133312030231) 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 11 ways as a sum of consecutive naturals, for example, 631685 + ... + 815873.

It is an arithmetic number, because the mean of its divisors is an integer number (12924059730).

Almost surely, 2^133312130231 is an apocalyptic number.

133312130231 is a deficient number, since it is larger than the sum of its proper divisors (21776586529).

133312130231 is a wasteful number, since it uses less digits than its factorization.

133312130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198974 (or 198967 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 133312130231 its reverse (132031213331), we get a palindrome (265343343562).

The spelling of 133312130231 in words is "one hundred thirty-three billion, three hundred twelve million, one hundred thirty thousand, two hundred thirty-one".