3143491432 has 8 divisors (see below), whose sum is σ = 5894046450. Its totient is φ = 1571745712.

The previous prime is 3143491367. The next prime is 3143491433. The reversal of 3143491432 is 2341943413.

It can be written as a sum of positive squares in only one way, i.e., 3044170276 + 99321156 = 55174^2 + 9966^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3143491433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196468207 + ... + 196468222.

Almost surely, 2^3143491432 is an apocalyptic number.

It is an amenable number.

3143491432 is a deficient number, since it is larger than the sum of its proper divisors (2750555018).

3143491432 is a wasteful number, since it uses less digits than its factorization.

3143491432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392936435 (or 392936431 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 3143491432 is about 56066.8478871427. The cubic root of 3143491432 is about 1464.8868945516.

The spelling of 3143491432 in words is "three billion, one hundred forty-three million, four hundred ninety-one thousand, four hundred thirty-two".