31440200217013 has 8 divisors (see below), whose sum is σ = 35931706672832. Its totient is φ = 26948706081696.

The previous prime is 31440200217007. The next prime is 31440200217047. The reversal of 31440200217013 is 31071200204413.

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

It is not a de Polignac number, because 31440200217013 - 2⁵ = 31440200216981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31440200217053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3257506 + ... + 8572732.

It is an arithmetic number, because the mean of its divisors is an integer number (4491463334104).

Almost surely, 2^{31440200217013} is an apocalyptic number.

It is an amenable number.

31440200217013 is a deficient number, since it is larger than the sum of its proper divisors (4491506455819).

31440200217013 is an equidigital number, since it uses as much as digits as its factorization.

31440200217013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160251.

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 31440200217013 in words is "thirty-one trillion, four hundred forty billion, two hundred million, two hundred seventeen thousand, thirteen".