701616031 has 4 divisors (see below), whose sum is σ = 701670312. Its totient is φ = 701561752.

The previous prime is 701616029. The next prime is 701616037. The reversal of 701616031 is 130616107.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 130616107 = 977 ⋅133691.

It is a cyclic number.

It is not a de Polignac number, because 701616031 - 2¹ = 701616029 is a prime.

It is a super-2 number, since 2×701616031² = 984530109912385922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 701615987 and 701616005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (701616037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4701 + ... + 37753.

It is an arithmetic number, because the mean of its divisors is an integer number (175417578).

Almost surely, 2^701616031 is an apocalyptic number.

701616031 is a deficient number, since it is larger than the sum of its proper divisors (54281).

701616031 is a wasteful number, since it uses less digits than its factorization.

701616031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54280.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 701616031 is about 26488.0356198794. The cubic root of 701616031 is about 888.5867529855.

The spelling of 701616031 in words is "seven hundred one million, six hundred sixteen thousand, thirty-one".