31842148370420 has 24 divisors (see below), whose sum is σ = 67356602909064. Its totient is φ = 12643889570816.

The previous prime is 31842148370407. The next prime is 31842148370441. The reversal of 31842148370420 is 2407384124813.

It can be written as a sum of positive squares in 4 ways, for example, as 9681818079844 + 22160330290576 = 3111562^2 + 4707476^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5810608277 + ... + 5810613756.

It is an arithmetic number, because the mean of its divisors is an integer number (2806525121211).

Almost surely, 2^{31842148370420} is an apocalyptic number.

It is an amenable number.

31842148370420 is an abundant number, since it is smaller than the sum of its proper divisors (35514454538644).

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

31842148370420 is a wasteful number, since it uses less digits than its factorization.

31842148370420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11621222179 (or 11621222177 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 31842148370420 in words is "thirty-one trillion, eight hundred forty-two billion, one hundred forty-eight million, three hundred seventy thousand, four hundred twenty".