133111012302131 has 4 divisors (see below), whose sum is σ = 133120086624000. Its totient is φ = 133101937980264.

The previous prime is 133111012302127. The next prime is 133111012302167. The reversal of 133111012302131 is 131203210111331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133111012302131 - 2² = 133111012302127 is a prime.

It is a super-2 number, since 2×133111012302131² (a number of 29 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 = 133111012302097 and 133111012302106.

It is not an unprimeable number, because it can be changed into a prime (133111012202131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4537138931 + ... + 4537168268.

It is an arithmetic number, because the mean of its divisors is an integer number (33280021656000).

Almost surely, 2^{133111012302131} is an apocalyptic number.

133111012302131 is a deficient number, since it is larger than the sum of its proper divisors (9074321869).

133111012302131 is an equidigital number, since it uses as much as digits as its factorization.

133111012302131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074321868.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 133111012302131 its reverse (131203210111331), we get a palindrome (264314222413462).

The spelling of 133111012302131 in words is "one hundred thirty-three trillion, one hundred eleven billion, twelve million, three hundred two thousand, one hundred thirty-one".