31742145633696 has 24 divisors (see below), whose sum is σ = 83323132288704. Its totient is φ = 10580715211200.

The previous prime is 31742145633643. The next prime is 31742145633697. The reversal of 31742145633696 is 69633654124713.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (31742145633697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165323675080 + ... + 165323675271.

It is an arithmetic number, because the mean of its divisors is an integer number (3471797178696).

Almost surely, 2^{31742145633696} is an apocalyptic number.

It is an amenable number.

31742145633696 is an abundant number, since it is smaller than the sum of its proper divisors (51580986655008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31742145633696 is a wasteful number, since it uses less digits than its factorization.

31742145633696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330647350364 (or 330647350356 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 60.

The spelling of 31742145633696 in words is "thirty-one trillion, seven hundred forty-two billion, one hundred forty-five million, six hundred thirty-three thousand, six hundred ninety-six".