2031332131 has 2 divisors, whose sum is σ = 2031332132. Its totient is φ = 2031332130.

The previous prime is 2031332129. The next prime is 2031332137. The reversal of 2031332131 is 1312331302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031332131 - 2¹ = 2031332129 is a prime.

It is a super-2 number, since 2×2031332131² = 8252620452866002322, which contains 22 as substring.

Together with 2031332129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2031332099 and 2031332108.

It is not a weakly prime, because it can be changed into another prime (2031332137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015666065 + 1015666066.

It is an arithmetic number, because the mean of its divisors is an integer number (1015666066).

Almost surely, 2^2031332131 is an apocalyptic number.

2031332131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031332131 is an equidigital number, since it uses as much as digits as its factorization.

2031332131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2031332131 is about 45070.3020957260. The cubic root of 2031332131 is about 1266.4663236313.

Adding to 2031332131 its reverse (1312331302), we get a palindrome (3343663433).

The spelling of 2031332131 in words is "two billion, thirty-one million, three hundred thirty-two thousand, one hundred thirty-one".