3121878883 has 2 divisors, whose sum is σ = 3121878884. Its totient is φ = 3121878882.

The previous prime is 3121878871. The next prime is 3121878887. The reversal of 3121878883 is 3888781213.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3888781213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3121878883 - 2¹³ = 3121870691 is a prime.

It is a super-2 number, since 2×3121878883² = 19492255520242655378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3121878887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560939441 + 1560939442.

It is an arithmetic number, because the mean of its divisors is an integer number (1560939442).

Almost surely, 2^3121878883 is an apocalyptic number.

3121878883 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121878883 is an equidigital number, since it uses as much as digits as its factorization.

3121878883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 49.

The square root of 3121878883 is about 55873.7763445429. The cubic root of 3121878883 is about 1461.5219762294.

The spelling of 3121878883 in words is "three billion, one hundred twenty-one million, eight hundred seventy-eight thousand, eight hundred eighty-three".