3143149261 has 12 divisors (see below), whose sum is σ = 3815906848. Its totient is φ = 2535648192.

The previous prime is 3143149237. The next prime is 3143149267. The reversal of 3143149261 is 1629413413.

It is not a de Polignac number, because 3143149261 - 2¹⁷ = 3143018189 is a prime.

It is a super-2 number, since 2×3143149261² = 19758774553849692242, 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 (3143149267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 774831 + ... + 778876.

Almost surely, 2^3143149261 is an apocalyptic number.

It is an amenable number.

3143149261 is a deficient number, since it is larger than the sum of its proper divisors (672757587).

3143149261 is a wasteful number, since it uses less digits than its factorization.

3143149261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553748 (or 1553731 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 3143149261 is about 56063.7963484458. The cubic root of 3143149261 is about 1464.8337413394.

The spelling of 3143149261 in words is "three billion, one hundred forty-three million, one hundred forty-nine thousand, two hundred sixty-one".