133111333131 has 12 divisors (see below), whose sum is σ = 206458394472. Its totient is φ = 76063618848.

The previous prime is 133111333129. The next prime is 133111333151. The reversal of 133111333131 is 131333111331.

It is not a de Polignac number, because 133111333131 - 2¹ = 133111333129 is a prime.

It is a super-2 number, since 2×133111333131² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (133111333151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452759490 + ... + 452759783.

It is an arithmetic number, because the mean of its divisors is an integer number (17204866206).

Almost surely, 2^133111333131 is an apocalyptic number.

133111333131 is a deficient number, since it is larger than the sum of its proper divisors (73347061341).

133111333131 is an equidigital number, since it uses as much as digits as its factorization.

133111333131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905519290 (or 905519283 counting only the distinct ones).

The product of its digits is 729, while the sum is 24.

Adding to 133111333131 its reverse (131333111331), we get a palindrome (264444444462).

The spelling of 133111333131 in words is "one hundred thirty-three billion, one hundred eleven million, three hundred thirty-three thousand, one hundred thirty-one".