3145857431 has 16 divisors (see below), whose sum is σ = 3204737568. Its totient is φ = 3087744000.

The previous prime is 3145857427. The next prime is 3145857467. The reversal of 3145857431 is 1347585413.

It is a cyclic number.

It is not a de Polignac number, because 3145857431 - 2² = 3145857427 is a prime.

It is a super-2 number, since 2×3145857431² = 19792837952355839522, 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 (3145850431) 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 in 15 ways as a sum of consecutive naturals, for example, 7844831 + ... + 7845231.

It is an arithmetic number, because the mean of its divisors is an integer number (200296098).

Almost surely, 2^3145857431 is an apocalyptic number.

3145857431 is a deficient number, since it is larger than the sum of its proper divisors (58880137).

3145857431 is a wasteful number, since it uses less digits than its factorization.

3145857431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042.

The product of its digits is 201600, while the sum is 41.

The square root of 3145857431 is about 56087.9437223366. The cubic root of 3145857431 is about 1465.2543258835.

The spelling of 3145857431 in words is "three billion, one hundred forty-five million, eight hundred fifty-seven thousand, four hundred thirty-one".