70451231191 has 16 divisors (see below), whose sum is σ = 79529241600. Its totient is φ = 61828891200.

The previous prime is 70451231159. The next prime is 70451231209. The reversal of 70451231191 is 19113215407.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 70451231191 - 2⁵ = 70451231159 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 (70451231111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113101 + ... + 392038.

It is an arithmetic number, because the mean of its divisors is an integer number (4970577600).

Almost surely, 2^70451231191 is an apocalyptic number.

70451231191 is a deficient number, since it is larger than the sum of its proper divisors (9078010409).

70451231191 is a wasteful number, since it uses less digits than its factorization.

70451231191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505590.

The product of its (nonzero) digits is 7560, while the sum is 34.

Adding to 70451231191 its reverse (19113215407), we get a palindrome (89564446598).

The spelling of 70451231191 in words is "seventy billion, four hundred fifty-one million, two hundred thirty-one thousand, one hundred ninety-one".