133311021131 has 8 divisors (see below), whose sum is σ = 133748059200. Its totient is φ = 132874492608.

The previous prime is 133311021023. The next prime is 133311021149. The reversal of 133311021131 is 131120113331.

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 133311021131 - 2²⁶ = 133243912267 is a prime.

It is a super-2 number, since 2×133311021131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133311021331) 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, 400295 + ... + 653343.

It is an arithmetic number, because the mean of its divisors is an integer number (16718507400).

Almost surely, 2^133311021131 is an apocalyptic number.

133311021131 is a deficient number, since it is larger than the sum of its proper divisors (437038069).

133311021131 is a wasteful number, since it uses less digits than its factorization.

133311021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254773.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 133311021131 its reverse (131120113331), we get a palindrome (264431134462).

The spelling of 133311021131 in words is "one hundred thirty-three billion, three hundred eleven million, twenty-one thousand, one hundred thirty-one".