133311332331031 has 4 divisors (see below), whose sum is σ = 133319111500432. Its totient is φ = 133303553161632.

The previous prime is 133311332331007. The next prime is 133311332331127. The reversal of 133311332331031 is 130133233113331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133311332331031 is a prime.

It is a super-2 number, since 2×133311332331031² (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 = 133311332330984 and 133311332331002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133311332331131) 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, 3889558995 + ... + 3889593268.

It is an arithmetic number, because the mean of its divisors is an integer number (33329777875108).

Almost surely, 2^{133311332331031} is an apocalyptic number.

133311332331031 is a deficient number, since it is larger than the sum of its proper divisors (7779169401).

133311332331031 is an equidigital number, since it uses as much as digits as its factorization.

133311332331031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7779169400.

The product of its (nonzero) digits is 13122, while the sum is 31.

Adding to 133311332331031 its reverse (130133233113331), we get a palindrome (263444565444362).

The spelling of 133311332331031 in words is "one hundred thirty-three trillion, three hundred eleven billion, three hundred thirty-two million, three hundred thirty-one thousand, thirty-one".