70070331 has 8 divisors (see below), whose sum is σ = 93467920. Its totient is φ = 46693152.

The previous prime is 70070321. The next prime is 70070359. The reversal of 70070331 is 13307007.

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

It is not a de Polignac number, because 70070331 - 2⁹ = 70069819 is a prime.

It is a super-2 number, since 2×70070331² = 9819702572899122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70070298 and 70070307.

It is not an unprimeable number, because it can be changed into a prime (70070321) 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, 7041 + ... + 13773.

It is an arithmetic number, because the mean of its divisors is an integer number (11683490).

Almost surely, 2^70070331 is an apocalyptic number.

70070331 is a deficient number, since it is larger than the sum of its proper divisors (23397589).

70070331 is a wasteful number, since it uses less digits than its factorization.

70070331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10205.

The product of its (nonzero) digits is 441, while the sum is 21.

The square root of 70070331 is about 8370.8022912980. The cubic root of 70070331 is about 412.2665095502.

Adding to 70070331 its reverse (13307007), we get a palindrome (83377338).

The spelling of 70070331 in words is "seventy million, seventy thousand, three hundred thirty-one".