71230313952 has 144 divisors (see below), whose sum is σ = 240072723072. Its totient is φ = 20351502720.

The previous prime is 71230313927. The next prime is 71230314011. The reversal of 71230313952 is 25931303217.

It is a happy number.

71230313952 is a `hidden beast` number, since 7 + 1 + 230 + 31 + 395 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 599874 + ... + 708737.

It is an arithmetic number, because the mean of its divisors is an integer number (1667171688).

Almost surely, 2^71230313952 is an apocalyptic number.

71230313952 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

71230313952 is an abundant number, since it is smaller than the sum of its proper divisors (168842409120).

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

71230313952 is a wasteful number, since it uses less digits than its factorization.

71230313952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308643 (or 1308623 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The spelling of 71230313952 in words is "seventy-one billion, two hundred thirty million, three hundred thirteen thousand, nine hundred fifty-two".