2331311232131 has 8 divisors (see below), whose sum is σ = 2664939890784. Its totient is φ = 1997828622720.

The previous prime is 2331311232067. The next prime is 2331311232139. The reversal of 2331311232131 is 1312321131332.

2331311232131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2331311232131 - 2⁶ = 2331311232067 is a prime.

It is a super-2 number, since 2×2331311232131² (a number of 26 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 2331311232131.

It is not an unprimeable number, because it can be changed into a prime (2331311232139) 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, 36478100 + ... + 36541953.

It is an arithmetic number, because the mean of its divisors is an integer number (333117486348).

Almost surely, 2^{2331311232131} is an apocalyptic number.

2331311232131 is a deficient number, since it is larger than the sum of its proper divisors (333628658653).

2331311232131 is an equidigital number, since it uses as much as digits as its factorization.

2331311232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73024621.

The product of its digits is 1944, while the sum is 26.

Adding to 2331311232131 its reverse (1312321131332), we get a palindrome (3643632363463).

The spelling of 2331311232131 in words is "two trillion, three hundred thirty-one billion, three hundred eleven million, two hundred thirty-two thousand, one hundred thirty-one".