70311113 has 2 divisors, whose sum is σ = 70311114. Its totient is φ = 70311112.

The previous prime is 70311103. The next prime is 70311127. The reversal of 70311113 is 31111307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68425984 + 1885129 = 8272^2 + 1373^2 .

It is an emirp because it is prime and its reverse (31111307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70311113 - 2⁴ = 70311097 is a prime.

It is a super-2 number, since 2×70311113² = 9887305222597538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70311091 and 70311100.

It is not a weakly prime, because it can be changed into another prime (70311103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35155556 + 35155557.

It is an arithmetic number, because the mean of its divisors is an integer number (35155557).

Almost surely, 2^70311113 is an apocalyptic number.

It is an amenable number.

70311113 is a deficient number, since it is larger than the sum of its proper divisors (1).

70311113 is an equidigital number, since it uses as much as digits as its factorization.

70311113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 70311113 is about 8385.1722105154. The cubic root of 70311113 is about 412.7381921544.

The spelling of 70311113 in words is "seventy million, three hundred eleven thousand, one hundred thirteen".