42353131105220 has 48 divisors (see below), whose sum is σ = 98371971063408. Its totient is φ = 15215428385280.

The previous prime is 42353131105133. The next prime is 42353131105277. The reversal of 42353131105220 is 2250113135324.

It can be written as a sum of positive squares in 8 ways, for example, as 4860508078336 + 37492623026884 = 2204656^2 + 6123122^2 .

It is a super-2 number, since 2×42353131105220² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2201296571 + ... + 2201315810.

It is an arithmetic number, because the mean of its divisors is an integer number (2049416063821).

Almost surely, 2^{42353131105220} is an apocalyptic number.

It is an amenable number.

42353131105220 is an abundant number, since it is smaller than the sum of its proper divisors (56018839958188).

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

42353131105220 is a wasteful number, since it uses less digits than its factorization.

42353131105220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402612440 (or 4402612438 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 42353131105220 in words is "forty-two trillion, three hundred fifty-three billion, one hundred thirty-one million, one hundred five thousand, two hundred twenty".