2134431331 has 2 divisors, whose sum is σ = 2134431332. Its totient is φ = 2134431330.

The previous prime is 2134431307. The next prime is 2134431337. The reversal of 2134431331 is 1331344312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2134431331 - 2¹³ = 2134423139 is a prime.

It is a super-2 number, since 2×2134431331² = 9111594213508863122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2134431296 and 2134431305.

It is not a weakly prime, because it can be changed into another prime (2134431337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067215665 + 1067215666.

It is an arithmetic number, because the mean of its divisors is an integer number (1067215666).

Almost surely, 2^2134431331 is an apocalyptic number.

2134431331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134431331 is an equidigital number, since it uses as much as digits as its factorization.

2134431331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 2134431331 is about 46199.9061795584. The cubic root of 2134431331 is about 1287.5399968220.

Adding to 2134431331 its reverse (1331344312), we get a palindrome (3465775643).

The spelling of 2134431331 in words is "two billion, one hundred thirty-four million, four hundred thirty-one thousand, three hundred thirty-one".