31434349205 has 64 divisors (see below), whose sum is σ = 47705407488. Its totient is φ = 19374474240.

The previous prime is 31434349157. The next prime is 31434349213. The reversal of 31434349205 is 50294343413.

It is not a de Polignac number, because 31434349205 - 2⁸ = 31434348949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11261360 + ... + 11264150.

It is an arithmetic number, because the mean of its divisors is an integer number (745396992).

Almost surely, 2^31434349205 is an apocalyptic number.

31434349205 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31434349205 is a deficient number, since it is larger than the sum of its proper divisors (16271058283).

31434349205 is a wasteful number, since it uses less digits than its factorization.

31434349205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 31434349205 in words is "thirty-one billion, four hundred thirty-four million, three hundred forty-nine thousand, two hundred five".