3140231531 has 2 divisors, whose sum is σ = 3140231532. Its totient is φ = 3140231530.

The previous prime is 3140231527. The next prime is 3140231581. The reversal of 3140231531 is 1351320413.

3140231531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3140231531 - 2² = 3140231527 is a prime.

It is a super-2 number, since 2×3140231531² = 19722108136573207922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3140231497 and 3140231506.

It is not a weakly prime, because it can be changed into another prime (3140231581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570115765 + 1570115766.

It is an arithmetic number, because the mean of its divisors is an integer number (1570115766).

Almost surely, 2^3140231531 is an apocalyptic number.

3140231531 is a deficient number, since it is larger than the sum of its proper divisors (1).

3140231531 is an equidigital number, since it uses as much as digits as its factorization.

3140231531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3140231531 is about 56037.7687903435. The cubic root of 3140231531 is about 1464.3803412440.

Adding to 3140231531 its reverse (1351320413), we get a palindrome (4491551944).

The spelling of 3140231531 in words is "three billion, one hundred forty million, two hundred thirty-one thousand, five hundred thirty-one".