70427045231 has 4 divisors (see below), whose sum is σ = 70834138152. Its totient is φ = 70019952312.

The previous prime is 70427045219. The next prime is 70427045233. The reversal of 70427045231 is 13254072407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13254072407 = 787 ⋅16841261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70427045231 is a prime.

It is a super-2 number, since 2×70427045231² (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 = 70427045191 and 70427045200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70427045233) 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, 203546201 + ... + 203546546.

It is an arithmetic number, because the mean of its divisors is an integer number (17708534538).

Almost surely, 2^70427045231 is an apocalyptic number.

70427045231 is a deficient number, since it is larger than the sum of its proper divisors (407092921).

70427045231 is a wasteful number, since it uses less digits than its factorization.

70427045231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407092920.

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 70427045231 in words is "seventy billion, four hundred twenty-seven million, forty-five thousand, two hundred thirty-one".