31415168561142 has 8 divisors (see below), whose sum is σ = 62830337122296. Its totient is φ = 10471722853712.

The previous prime is 31415168561113. The next prime is 31415168561213. The reversal of 31415168561142 is 24116586151413.

It is a happy number.

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

31415168561142 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 31415168561091 and 31415168561100.

It is a congruent 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, 2617930713423 + ... + 2617930713434.

It is an arithmetic number, because the mean of its divisors is an integer number (7853792140287).

Almost surely, 2^{31415168561142} is an apocalyptic number.

31415168561142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31415168561142 is a wasteful number, since it uses less digits than its factorization.

31415168561142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5235861426862.

The product of its digits is 691200, while the sum is 48.

The spelling of 31415168561142 in words is "thirty-one trillion, four hundred fifteen billion, one hundred sixty-eight million, five hundred sixty-one thousand, one hundred forty-two".