70963231 has 2 divisors, whose sum is σ = 70963232. Its totient is φ = 70963230.

The previous prime is 70963223. The next prime is 70963241. The reversal of 70963231 is 13236907.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70963231 - 2³ = 70963223 is a prime.

It is a super-2 number, since 2×70963231² = 10071560307918722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70963193 and 70963202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70963241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35481615 + 35481616.

It is an arithmetic number, because the mean of its divisors is an integer number (35481616).

Almost surely, 2^70963231 is an apocalyptic number.

70963231 is a deficient number, since it is larger than the sum of its proper divisors (1).

70963231 is an equidigital number, since it uses as much as digits as its factorization.

70963231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 70963231 is about 8423.9676518847. The cubic root of 70963231 is about 414.0102819760.

The spelling of 70963231 in words is "seventy million, nine hundred sixty-three thousand, two hundred thirty-one".