31742857203148 has 96 divisors (see below), whose sum is σ = 68895564362240. Its totient is φ = 12461308738560.

The previous prime is 31742857203137. The next prime is 31742857203163. The reversal of 31742857203148 is 84130275824713.

It is a super-3 number, since 3×31742857203148³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24186583 + ... + 25465201.

Almost surely, 2^{31742857203148} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31742857203148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34447782181120).

31742857203148 is an abundant number, since it is smaller than the sum of its proper divisors (37152707159092).

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

31742857203148 is a wasteful number, since it uses less digits than its factorization.

31742857203148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279167 (or 1279165 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 31742857203148 in words is "thirty-one trillion, seven hundred forty-two billion, eight hundred fifty-seven million, two hundred three thousand, one hundred forty-eight".