31448470463 has 2 divisors, whose sum is σ = 31448470464. Its totient is φ = 31448470462.

The previous prime is 31448470447. The next prime is 31448470481. The reversal of 31448470463 is 36407484413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31448470463 - 2⁴ = 31448470447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31448470063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15724235231 + 15724235232.

It is an arithmetic number, because the mean of its divisors is an integer number (15724235232).

Almost surely, 2^31448470463 is an apocalyptic number.

31448470463 is a deficient number, since it is larger than the sum of its proper divisors (1).

31448470463 is an equidigital number, since it uses as much as digits as its factorization.

31448470463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 31448470463 in words is "thirty-one billion, four hundred forty-eight million, four hundred seventy thousand, four hundred sixty-three".