133330123131 has 8 divisors (see below), whose sum is σ = 177776835600. Its totient is φ = 88885079712.

The previous prime is 133330123127. The next prime is 133330123193. The reversal of 133330123131 is 131321033331.

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

It is not a de Polignac number, because 133330123131 - 2² = 133330123127 is a prime.

It is a super-2 number, since 2×133330123131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133330124131) 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, 217156 + ... + 560193.

It is an arithmetic number, because the mean of its divisors is an integer number (22222104450).

Almost surely, 2^133330123131 is an apocalyptic number.

133330123131 is a deficient number, since it is larger than the sum of its proper divisors (44446712469).

133330123131 is an equidigital number, since it uses as much as digits as its factorization.

133330123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834525.

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

Adding to 133330123131 its reverse (131321033331), we get a palindrome (264651156462).

The spelling of 133330123131 in words is "one hundred thirty-three billion, three hundred thirty million, one hundred twenty-three thousand, one hundred thirty-one".