3145463231 has 4 divisors (see below), whose sum is σ = 3197028264. Its totient is φ = 3093898200.

The previous prime is 3145463219. The next prime is 3145463273. The reversal of 3145463231 is 1323645413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1323645413 = 97 ⋅13645829.

It is a cyclic number.

It is not a de Polignac number, because 3145463231 - 2¹⁰ = 3145462207 is a prime.

It is a super-2 number, since 2×3145463231² = 19787877875145918722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145463731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25782425 + ... + 25782546.

It is an arithmetic number, because the mean of its divisors is an integer number (799257066).

Almost surely, 2^3145463231 is an apocalyptic number.

3145463231 is a deficient number, since it is larger than the sum of its proper divisors (51565033).

3145463231 is an equidigital number, since it uses as much as digits as its factorization.

3145463231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51565032.

The product of its digits is 25920, while the sum is 32.

The square root of 3145463231 is about 56084.4294880495. The cubic root of 3145463231 is about 1465.1931208018.

The spelling of 3145463231 in words is "three billion, one hundred forty-five million, four hundred sixty-three thousand, two hundred thirty-one".