3140345531 has 2 divisors, whose sum is σ = 3140345532. Its totient is φ = 3140345530.

The previous prime is 3140345521. The next prime is 3140345563. The reversal of 3140345531 is 1355430413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3140345531 - 2¹⁴ = 3140329147 is a prime.

It is a super-2 number, since 2×3140345531² = 19723540108143343922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 3140345494 and 3140345503.

It is not a weakly prime, because it can be changed into another prime (3140345521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570172765 + 1570172766.

It is an arithmetic number, because the mean of its divisors is an integer number (1570172766).

Almost surely, 2^3140345531 is an apocalyptic number.

3140345531 is a deficient number, since it is larger than the sum of its proper divisors (1).

3140345531 is an equidigital number, since it uses as much as digits as its factorization.

3140345531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 3140345531 is about 56038.7859522313. The cubic root of 3140345531 is about 1464.3980615232.

Adding to 3140345531 its reverse (1355430413), we get a palindrome (4495775944).

The spelling of 3140345531 in words is "three billion, one hundred forty million, three hundred forty-five thousand, five hundred thirty-one".