30701961 has 6 divisors (see below), whose sum is σ = 44347290. Its totient is φ = 20467968.

The previous prime is 30701959. The next prime is 30702041. The reversal of 30701961 is 16910703.

It can be written as a sum of positive squares in only one way, i.e., 26625600 + 4076361 = 5160^2 + 2019^2 .

It is not a de Polignac number, because 30701961 - 2¹ = 30701959 is a prime.

It is a super-2 number, since 2×30701961² = 1885220818491042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30701911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1705656 + ... + 1705673.

It is an arithmetic number, because the mean of its divisors is an integer number (7391215).

Almost surely, 2^30701961 is an apocalyptic number.

It is an amenable number.

30701961 is a deficient number, since it is larger than the sum of its proper divisors (13645329).

30701961 is a wasteful number, since it uses less digits than its factorization.

30701961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411335 (or 3411332 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 30701961 is about 5540.9350293971. The cubic root of 30701961 is about 313.1280969491.

The spelling of 30701961 in words is "thirty million, seven hundred one thousand, nine hundred sixty-one".