70430431 has 8 divisors (see below), whose sum is σ = 72786384. Its totient is φ = 68107200.

The previous prime is 70430429. The next prime is 70430441. The reversal of 70430431 is 13403407.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70430431 - 2¹ = 70430429 is a prime.

It is a super-2 number, since 2×70430431² = 9920891221691522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70430401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3766 + ... + 12451.

It is an arithmetic number, because the mean of its divisors is an integer number (9098298).

Almost surely, 2^70430431 is an apocalyptic number.

70430431 is a deficient number, since it is larger than the sum of its proper divisors (2355953).

70430431 is a wasteful number, since it uses less digits than its factorization.

70430431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16361.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 70430431 is about 8392.2840156897. The cubic root of 70430431 is about 412.9715325292.

Adding to 70430431 its reverse (13403407), we get a palindrome (83833838).

The spelling of 70430431 in words is "seventy million, four hundred thirty thousand, four hundred thirty-one".