31514400193 has 8 divisors (see below), whose sum is σ = 31562351912. Its totient is φ = 31466486016.

The previous prime is 31514400173. The next prime is 31514400221. The reversal of 31514400193 is 39100441513.

It can be written as a sum of positive squares in 4 ways, for example, as 7088461249 + 24425938944 = 84193^2 + 156288^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 31514400193 - 2⁹ = 31514399681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31514400173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976971 + ... + 1992847.

It is an arithmetic number, because the mean of its divisors is an integer number (3945293989).

Almost surely, 2^31514400193 is an apocalyptic number.

It is an amenable number.

31514400193 is a deficient number, since it is larger than the sum of its proper divisors (47951719).

31514400193 is a wasteful number, since it uses less digits than its factorization.

31514400193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18771.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 31514400193 in words is "thirty-one billion, five hundred fourteen million, four hundred thousand, one hundred ninety-three".