31272166076597 has 4 divisors (see below), whose sum is σ = 31272179205036. Its totient is φ = 31272152948160.

The previous prime is 31272166076581. The next prime is 31272166076621. The reversal of 31272166076597 is 79567066127213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26623855948561 + 4648310128036 = 5159831^2 + 2155994^2 .

It is a cyclic number.

It is not a de Polignac number, because 31272166076597 - 2⁴ = 31272166076581 is a prime.

It is a super-2 number, since 2×31272166076597² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31272166076797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1874228 + ... + 8127549.

It is an arithmetic number, because the mean of its divisors is an integer number (7818044801259).

Almost surely, 2^{31272166076597} is an apocalyptic number.

It is an amenable number.

31272166076597 is a deficient number, since it is larger than the sum of its proper divisors (13128439).

31272166076597 is a wasteful number, since it uses less digits than its factorization.

31272166076597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13128438.

The product of its (nonzero) digits is 40007520, while the sum is 62.

The spelling of 31272166076597 in words is "thirty-one trillion, two hundred seventy-two billion, one hundred sixty-six million, seventy-six thousand, five hundred ninety-seven".