70243804831 has 4 divisors (see below), whose sum is σ = 70244779752. Its totient is φ = 70242829912.

The previous prime is 70243804753. The next prime is 70243804837. The reversal of 70243804831 is 13840834207.

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

It is a cyclic number.

It is not a de Polignac number, because 70243804831 - 2¹³ = 70243796639 is a prime.

It is a super-2 number, since 2×70243804831² (a number of 22 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 (70243804837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369940 + ... + 526633.

It is an arithmetic number, because the mean of its divisors is an integer number (17561194938).

Almost surely, 2^70243804831 is an apocalyptic number.

70243804831 is a deficient number, since it is larger than the sum of its proper divisors (974921).

70243804831 is an equidigital number, since it uses as much as digits as its factorization.

70243804831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974920.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 70243804831 in words is "seventy billion, two hundred forty-three million, eight hundred four thousand, eight hundred thirty-one".