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70363031 is a prime number
BaseRepresentation
bin1000011000110…
…10011110010111
311220101210221012
410030122132113
5121003104111
610552042435
71513035014
oct414323627
9156353835
1070363031
1136799872
121b69341b
1311767b3b
1494b870b
15629d48b
hex431a797

70363031 has 2 divisors, whose sum is σ = 70363032. Its totient is φ = 70363030.

The previous prime is 70362989. The next prime is 70363037. The reversal of 70363031 is 13036307.

It is a strong prime.

It is an emirp because it is prime and its reverse (13036307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70363031 - 222 = 66168727 is a prime.

It is a super-2 number, since 2×703630312 = 9901912263013922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70362988 and 70363006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70363037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35181515 + 35181516.

It is an arithmetic number, because the mean of its divisors is an integer number (35181516).

Almost surely, 270363031 is an apocalyptic number.

70363031 is a deficient number, since it is larger than the sum of its proper divisors (1).

70363031 is an equidigital number, since it uses as much as digits as its factorization.

70363031 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 70363031 is about 8388.2674611626. The cubic root of 70363031 is about 412.8397563235.

Adding to 70363031 its reverse (13036307), we get a palindrome (83399338).

The spelling of 70363031 in words is "seventy million, three hundred sixty-three thousand, thirty-one".