70313047481 has 4 divisors (see below), whose sum is σ = 70313683572. Its totient is φ = 70312411392.

The previous prime is 70313047439. The next prime is 70313047499. The reversal of 70313047481 is 18474031307.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 28939453456 + 41373594025 = 170116^2 + 203405^2 .

It is a cyclic number.

It is not a de Polignac number, because 70313047481 - 2²⁶ = 70245938617 is a prime.

It is a super-2 number, since 2×70313047481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70313041481) 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, 104396 + ... + 389261.

It is an arithmetic number, because the mean of its divisors is an integer number (17578420893).

Almost surely, 2^70313047481 is an apocalyptic number.

It is an amenable number.

70313047481 is a deficient number, since it is larger than the sum of its proper divisors (636091).

70313047481 is a wasteful number, since it uses less digits than its factorization.

70313047481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636090.

The product of its (nonzero) digits is 56448, while the sum is 38.

Adding to 70313047481 its reverse (18474031307), we get a palindrome (88787078788).

The spelling of 70313047481 in words is "seventy billion, three hundred thirteen million, forty-seven thousand, four hundred eighty-one".