70303022431 has 4 divisors (see below), whose sum is σ = 70306654032. Its totient is φ = 70299390832.

The previous prime is 70303022407. The next prime is 70303022459. The reversal of 70303022431 is 13422030307.

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 70303022431 - 2³¹ = 68155538783 is a prime.

It is a super-2 number, since 2×70303022431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70303022396 and 70303022405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70303022131) 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, 1786606 + ... + 1825531.

It is an arithmetic number, because the mean of its divisors is an integer number (17576663508).

Almost surely, 2^70303022431 is an apocalyptic number.

70303022431 is a deficient number, since it is larger than the sum of its proper divisors (3631601).

70303022431 is a wasteful number, since it uses less digits than its factorization.

70303022431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631600.

The product of its (nonzero) digits is 3024, while the sum is 25.

Adding to 70303022431 its reverse (13422030307), we get a palindrome (83725052738).

The spelling of 70303022431 in words is "seventy billion, three hundred three million, twenty-two thousand, four hundred thirty-one".