31413545205 has 64 divisors (see below), whose sum is σ = 57976528896. Its totient is φ = 14227200000.

The previous prime is 31413545143. The next prime is 31413545221. The reversal of 31413545205 is 50254531413.

It is not a de Polignac number, because 31413545205 - 2¹⁹ = 31413020917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10328485 + ... + 10331525.

It is an arithmetic number, because the mean of its divisors is an integer number (905883264).

Almost surely, 2^31413545205 is an apocalyptic number.

31413545205 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31413545205 is a deficient number, since it is larger than the sum of its proper divisors (26562983691).

31413545205 is a wasteful number, since it uses less digits than its factorization.

31413545205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 31413545205 in words is "thirty-one billion, four hundred thirteen million, five hundred forty-five thousand, two hundred five".