31725342403994 has 8 divisors (see below), whose sum is σ = 48694711596960. Its totient is φ = 15493771871676.

The previous prime is 31725342403987. The next prime is 31725342404003. The reversal of 31725342403994 is 49930424352713.

It is a happy number.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184449665054 + ... + 184449665225.

It is an arithmetic number, because the mean of its divisors is an integer number (6086838949620).

Almost surely, 2^{31725342403994} is an apocalyptic number.

31725342403994 is a deficient number, since it is larger than the sum of its proper divisors (16969369192966).

31725342403994 is a wasteful number, since it uses less digits than its factorization.

31725342403994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368899330324.

The product of its (nonzero) digits is 19595520, while the sum is 56.

The spelling of 31725342403994 in words is "thirty-one trillion, seven hundred twenty-five billion, three hundred forty-two million, four hundred three thousand, nine hundred ninety-four".