2131330132031 has 4 divisors (see below), whose sum is σ = 2163141029592. Its totient is φ = 2099519234472.

The previous prime is 2131330132027. The next prime is 2131330132051. The reversal of 2131330132031 is 1302310331312.

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 2131330132031 - 2² = 2131330132027 is a prime.

It is a super-2 number, since 2×2131330132031² (a number of 25 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 = 2131330131988 and 2131330132006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131330132051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15905448680 + ... + 15905448813.

It is an arithmetic number, because the mean of its divisors is an integer number (540785257398).

Almost surely, 2^{2131330132031} is an apocalyptic number.

2131330132031 is a deficient number, since it is larger than the sum of its proper divisors (31810897561).

2131330132031 is an equidigital number, since it uses as much as digits as its factorization.

2131330132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31810897560.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 2131330132031 its reverse (1302310331312), we get a palindrome (3433640463343).

The spelling of 2131330132031 in words is "two trillion, one hundred thirty-one billion, three hundred thirty million, one hundred thirty-two thousand, thirty-one".