70431310933 has 4 divisors (see below), whose sum is σ = 71157407020. Its totient is φ = 69705214848.

The previous prime is 70431310903. The next prime is 70431310949. The reversal of 70431310933 is 33901313407.

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 38235109444 + 32196201489 = 195538^2 + 179433^2 .

It is a cyclic number.

It is not a de Polignac number, because 70431310933 - 2¹³ = 70431302741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70431310903) 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, 363047898 + ... + 363048091.

It is an arithmetic number, because the mean of its divisors is an integer number (17789351755).

Almost surely, 2^70431310933 is an apocalyptic number.

It is an amenable number.

70431310933 is a deficient number, since it is larger than the sum of its proper divisors (726096087).

70431310933 is an equidigital number, since it uses as much as digits as its factorization.

70431310933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726096086.

The product of its (nonzero) digits is 20412, while the sum is 34.

The spelling of 70431310933 in words is "seventy billion, four hundred thirty-one million, three hundred ten thousand, nine hundred thirty-three".