31416865342140 has 48 divisors (see below), whose sum is σ = 87985320302880. Its totient is φ = 8376107201280.

The previous prime is 31416865342099. The next prime is 31416865342141. The reversal of 31416865342140 is 4124356861413.

It is a self number, because there is not a number n which added to its sum of digits gives 31416865342140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31416865342141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53567055 + ... + 54150374.

It is an arithmetic number, because the mean of its divisors is an integer number (1833027506310).

Almost surely, 2^{31416865342140} is an apocalyptic number.

31416865342140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31416865342140 is an abundant number, since it is smaller than the sum of its proper divisors (56568454960740).

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

31416865342140 is a wasteful number, since it uses less digits than its factorization.

31416865342140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107722302 (or 107722300 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 31416865342140 in words is "thirty-one trillion, four hundred sixteen billion, eight hundred sixty-five million, three hundred forty-two thousand, one hundred forty".