3143051881 has 2 divisors, whose sum is σ = 3143051882. Its totient is φ = 3143051880.

The previous prime is 3143051861. The next prime is 3143051897. The reversal of 3143051881 is 1881503413.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1797336025 + 1345715856 = 42395^2 + 36684^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143051881 - 2⁹ = 3143051369 is a prime.

It is a super-2 number, since 2×3143051881² = 19757550253315276322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3143051861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571525940 + 1571525941.

It is an arithmetic number, because the mean of its divisors is an integer number (1571525941).

Almost surely, 2^3143051881 is an apocalyptic number.

It is an amenable number.

3143051881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143051881 is an equidigital number, since it uses as much as digits as its factorization.

3143051881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 3143051881 is about 56062.9278668177. The cubic root of 3143051881 is about 1464.8186135200.

The spelling of 3143051881 in words is "three billion, one hundred forty-three million, fifty-one thousand, eight hundred eighty-one".