70031413 has 2 divisors, whose sum is σ = 70031414. Its totient is φ = 70031412.

The previous prime is 70031371. The next prime is 70031419. The reversal of 70031413 is 31413007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69105969 + 925444 = 8313^2 + 962^2 .

It is a cyclic number.

It is not a de Polignac number, because 70031413 - 2⁹ = 70030901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70031419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35015706 + 35015707.

It is an arithmetic number, because the mean of its divisors is an integer number (35015707).

Almost surely, 2^70031413 is an apocalyptic number.

It is an amenable number.

70031413 is a deficient number, since it is larger than the sum of its proper divisors (1).

70031413 is an equidigital number, since it uses as much as digits as its factorization.

70031413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 70031413 is about 8368.4773405919. The cubic root of 70031413 is about 412.1901693019.

The spelling of 70031413 in words is "seventy million, thirty-one thousand, four hundred thirteen".