3405431131 has 2 divisors, whose sum is σ = 3405431132. Its totient is φ = 3405431130.

The previous prime is 3405431087. The next prime is 3405431171. The reversal of 3405431131 is 1311345043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3405431131 - 2¹⁵ = 3405398363 is a prime.

It is a super-2 number, since 2×3405431131² = 23193922375967878322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3405431096 and 3405431105.

It is not a weakly prime, because it can be changed into another prime (3405431171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702715565 + 1702715566.

It is an arithmetic number, because the mean of its divisors is an integer number (1702715566).

Almost surely, 2^3405431131 is an apocalyptic number.

3405431131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3405431131 is an equidigital number, since it uses as much as digits as its factorization.

3405431131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3405431131 is about 58356.0719291489. The cubic root of 3405431131 is about 1504.4948332330.

Adding to 3405431131 its reverse (1311345043), we get a palindrome (4716776174).

The spelling of 3405431131 in words is "three billion, four hundred five million, four hundred thirty-one thousand, one hundred thirty-one".