31405263063 has 32 divisors (see below), whose sum is σ = 42511392000. Its totient is φ = 20621319936.

The previous prime is 31405263061. The next prime is 31405263073. The reversal of 31405263063 is 36036250413.

It is not a de Polignac number, because 31405263063 - 2¹ = 31405263061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31405263061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29937763 + ... + 29938811.

It is an arithmetic number, because the mean of its divisors is an integer number (1328481000).

Almost surely, 2^31405263063 is an apocalyptic number.

31405263063 is a deficient number, since it is larger than the sum of its proper divisors (11106128937).

31405263063 is a wasteful number, since it uses less digits than its factorization.

31405263063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711.

The product of its (nonzero) digits is 38880, while the sum is 33.

The spelling of 31405263063 in words is "thirty-one billion, four hundred five million, two hundred sixty-three thousand, sixty-three".