70106031 has 6 divisors (see below), whose sum is σ = 101264280. Its totient is φ = 46737348.

The previous prime is 70106027. The next prime is 70106041. The reversal of 70106031 is 13060107.

It is not a de Polignac number, because 70106031 - 2² = 70106027 is a prime.

It is a super-2 number, since 2×70106031² = 9829711165145922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70105995 and 70106013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70106041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3894771 + ... + 3894788.

It is an arithmetic number, because the mean of its divisors is an integer number (16877380).

Almost surely, 2^70106031 is an apocalyptic number.

70106031 is a deficient number, since it is larger than the sum of its proper divisors (31158249).

70106031 is a wasteful number, since it uses less digits than its factorization.

70106031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7789565 (or 7789562 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 70106031 is about 8372.9344318465. The cubic root of 70106031 is about 412.3365126236.

Adding to 70106031 its reverse (13060107), we get a palindrome (83166138).

It can be divided in two parts, 7010 and 6031, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 70106031 in words is "seventy million, one hundred six thousand, thirty-one".