133312312031 has 8 divisors (see below), whose sum is σ = 133549582320. Its totient is φ = 133075210752.

The previous prime is 133312312013. The next prime is 133312312039. The reversal of 133312312031 is 130213213331.

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 133312312031 - 2¹⁸ = 133312049887 is a prime.

It is a super-2 number, since 2×133312312031² (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 = 133312311988 and 133312312006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133312312039) 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, 1592540 + ... + 1674158.

It is an arithmetic number, because the mean of its divisors is an integer number (16693697790).

Almost surely, 2^133312312031 is an apocalyptic number.

133312312031 is a deficient number, since it is larger than the sum of its proper divisors (237270289).

133312312031 is an equidigital number, since it uses as much as digits as its factorization.

133312312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84505.

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

Adding to 133312312031 its reverse (130213213331), we get a palindrome (263525525362).

The spelling of 133312312031 in words is "one hundred thirty-three billion, three hundred twelve million, three hundred twelve thousand, thirty-one".