70311539143 has 4 divisors (see below), whose sum is σ = 73368562608. Its totient is φ = 67254515680.

The previous prime is 70311539131. The next prime is 70311539161. The reversal of 70311539143 is 34193511307.

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 70311539143 - 2²⁹ = 69774668231 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 (70311539183) 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, 1528511698 + ... + 1528511743.

It is an arithmetic number, because the mean of its divisors is an integer number (18342140652).

Almost surely, 2^70311539143 is an apocalyptic number.

70311539143 is a deficient number, since it is larger than the sum of its proper divisors (3057023465).

70311539143 is a wasteful number, since it uses less digits than its factorization.

70311539143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057023464.

The product of its (nonzero) digits is 34020, while the sum is 37.

The spelling of 70311539143 in words is "seventy billion, three hundred eleven million, five hundred thirty-nine thousand, one hundred forty-three".