31401534205 has 8 divisors (see below), whose sum is σ = 38244256992. Its totient is φ = 24746283408.

The previous prime is 31401534193. The next prime is 31401534211. The reversal of 31401534205 is 50243510413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31401534205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46867627 + ... + 46868296.

It is an arithmetic number, because the mean of its divisors is an integer number (4780532124).

Almost surely, 2^31401534205 is an apocalyptic number.

It is an amenable number.

31401534205 is a deficient number, since it is larger than the sum of its proper divisors (6842722787).

31401534205 is an equidigital number, since it uses as much as digits as its factorization.

31401534205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93735995.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 31401534205 in words is "thirty-one billion, four hundred one million, five hundred thirty-four thousand, two hundred five".