31779677483 has 2 divisors, whose sum is σ = 31779677484. Its totient is φ = 31779677482.

The previous prime is 31779677473. The next prime is 31779677491. The reversal of 31779677483 is 38477697713.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31779677483 - 2¹⁰ = 31779676459 is a prime.

It is not a weakly prime, because it can be changed into another prime (31779677473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15889838741 + 15889838742.

It is an arithmetic number, because the mean of its divisors is an integer number (15889838742).

Almost surely, 2^31779677483 is an apocalyptic number.

31779677483 is a deficient number, since it is larger than the sum of its proper divisors (1).

31779677483 is an equidigital number, since it uses as much as digits as its factorization.

31779677483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37340352, while the sum is 62.

The spelling of 31779677483 in words is "thirty-one billion, seven hundred seventy-nine million, six hundred seventy-seven thousand, four hundred eighty-three".