70422147331 has 4 divisors (see below), whose sum is σ = 70445338432. Its totient is φ = 70398956232.

The previous prime is 70422147329. The next prime is 70422147337. The reversal of 70422147331 is 13374122407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13374122407 = 2221 ⋅6021667.

It is a cyclic number.

It is not a de Polignac number, because 70422147331 - 2¹ = 70422147329 is a prime.

It is a super-2 number, since 2×70422147331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70422147337) 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, 11590995 + ... + 11597068.

It is an arithmetic number, because the mean of its divisors is an integer number (17611334608).

Almost surely, 2^70422147331 is an apocalyptic number.

70422147331 is a deficient number, since it is larger than the sum of its proper divisors (23191101).

70422147331 is a wasteful number, since it uses less digits than its factorization.

70422147331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23191100.

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 70422147331 its reverse (13374122407), we get a palindrome (83796269738).

The spelling of 70422147331 in words is "seventy billion, four hundred twenty-two million, one hundred forty-seven thousand, three hundred thirty-one".