131331113031331 has 8 divisors (see below), whose sum is σ = 132711311590704. Its totient is φ = 129951450585600.

The previous prime is 131331113031317. The next prime is 131331113031379. The reversal of 131331113031331 is 133130311133131.

It is a happy number.

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 131331113031331 - 2⁵ = 131331113031299 is a prime.

It is a super-2 number, since 2×131331113031331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131331113031331.

It is not an unprimeable number, because it can be changed into a prime (131331113031731) 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, 133535890 + ... + 134515783.

It is an arithmetic number, because the mean of its divisors is an integer number (16588913948838).

Almost surely, 2^{131331113031331} is an apocalyptic number.

131331113031331 is a deficient number, since it is larger than the sum of its proper divisors (1380198559373).

131331113031331 is an equidigital number, since it uses as much as digits as its factorization.

131331113031331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268056821.

The product of its (nonzero) digits is 2187, while the sum is 28.

Adding to 131331113031331 its reverse (133130311133131), we get a palindrome (264461424164462).

The spelling of 131331113031331 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, one hundred thirteen million, thirty-one thousand, three hundred thirty-one".