70931136241 has 9 divisors (see below), whose sum is σ = 82513898649. Its totient is φ = 60796518804.

The previous prime is 70931136181. The next prime is 70931136247. The reversal of 70931136241 is 14263113907.

The square root of 70931136241 is 266329.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 70931136241 - 2¹⁷ = 70931005169 is a prime.

It is a super-2 number, since 2×70931136241² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70931136241.

It is not an unprimeable number, because it can be changed into a prime (70931136247) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 1845280 + ... + 1883326.

It is an arithmetic number, because the mean of its divisors is an integer number (9168210961).

Almost surely, 2^70931136241 is an apocalyptic number.

70931136241 is the 266329-th square number.

70931136241 is the 133165-th centered octagonal number.

It is an amenable number.

70931136241 is a deficient number, since it is larger than the sum of its proper divisors (11582762408).

70931136241 is an frugal number, since it uses more digits than its factorization.

70931136241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76108 (or 38054 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 70931136241 in words is "seventy billion, nine hundred thirty-one million, one hundred thirty-six thousand, two hundred forty-one".