31457223270660 has 384 divisors, whose sum is σ = 99609531162624. Its totient is φ = 7352169431040.

The previous prime is 31457223270587. The next prime is 31457223270713. The reversal of 31457223270660 is 6607232275413.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 571329852 + ... + 571384908.

It is an arithmetic number, because the mean of its divisors is an integer number (259399820736).

Almost surely, 2^{31457223270660} is an apocalyptic number.

31457223270660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31457223270660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49804765581312).

31457223270660 is an abundant number, since it is smaller than the sum of its proper divisors (68152307891964).

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

31457223270660 is a wasteful number, since it uses less digits than its factorization.

31457223270660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55403 (or 55401 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 31457223270660 in words is "thirty-one trillion, four hundred fifty-seven billion, two hundred twenty-three million, two hundred seventy thousand, six hundred sixty".