31053359879 has 2 divisors, whose sum is σ = 31053359880. Its totient is φ = 31053359878.

The previous prime is 31053359867. The next prime is 31053359881. The reversal of 31053359879 is 97895335013.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31053359879 is a prime.

It is a super-2 number, since 2×31053359879² (a number of 22 digits) contains 22 as substring.

Together with 31053359881, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31053359879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31053359849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15526679939 + 15526679940.

It is an arithmetic number, because the mean of its divisors is an integer number (15526679940).

Almost surely, 2^31053359879 is an apocalyptic number.

31053359879 is a deficient number, since it is larger than the sum of its proper divisors (1).

31053359879 is an equidigital number, since it uses as much as digits as its factorization.

31053359879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3061800, while the sum is 53.

The spelling of 31053359879 in words is "thirty-one billion, fifty-three million, three hundred fifty-nine thousand, eight hundred seventy-nine".