31480286071463 has 4 divisors (see below), whose sum is σ = 31482979237920. Its totient is φ = 31477592905008.

The previous prime is 31480286071447. The next prime is 31480286071469. The reversal of 31480286071463 is 36417068208413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31480286071463 - 2⁴ = 31480286071447 is a prime.

It is a super-2 number, since 2×31480286071463² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31480286071469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346565695 + ... + 1346589072.

It is an arithmetic number, because the mean of its divisors is an integer number (7870744809480).

Almost surely, 2^{31480286071463} is an apocalyptic number.

31480286071463 is a deficient number, since it is larger than the sum of its proper divisors (2693166457).

31480286071463 is a wasteful number, since it uses less digits than its factorization.

31480286071463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693166456.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 31480286071463 in words is "thirty-one trillion, four hundred eighty billion, two hundred eighty-six million, seventy-one thousand, four hundred sixty-three".