70036331 has 2 divisors, whose sum is σ = 70036332. Its totient is φ = 70036330.

The previous prime is 70036319. The next prime is 70036349. The reversal of 70036331 is 13363007.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70036331 is a prime.

It is a super-2 number, since 2×70036331² = 9810175319883122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70036297 and 70036306.

It is not a weakly prime, because it can be changed into another prime (70036391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35018165 + 35018166.

It is an arithmetic number, because the mean of its divisors is an integer number (35018166).

Almost surely, 2^70036331 is an apocalyptic number.

70036331 is a deficient number, since it is larger than the sum of its proper divisors (1).

70036331 is an equidigital number, since it uses as much as digits as its factorization.

70036331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 70036331 is about 8368.7711762241. The cubic root of 70036331 is about 412.1998178473.

Adding to 70036331 its reverse (13363007), we get a palindrome (83399338).

The spelling of 70036331 in words is "seventy million, thirty-six thousand, three hundred thirty-one".