133313231031 has 8 divisors (see below), whose sum is σ = 177757857024. Its totient is φ = 88872046200.

The previous prime is 133313231021. The next prime is 133313231033. The reversal of 133313231031 is 130132313331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133313231031 - 2²² = 133309036727 is a prime.

It is a super-2 number, since 2×133313231031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133313230992 and 133313231010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133313231033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768495 + ... + 925856.

It is an arithmetic number, because the mean of its divisors is an integer number (22219732128).

Almost surely, 2^133313231031 is an apocalyptic number.

133313231031 is a deficient number, since it is larger than the sum of its proper divisors (44444625993).

133313231031 is a wasteful number, since it uses less digits than its factorization.

133313231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720581.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 133313231031 its reverse (130132313331), we get a palindrome (263445544362).

The spelling of 133313231031 in words is "one hundred thirty-three billion, three hundred thirteen million, two hundred thirty-one thousand, thirty-one".