30996061 has 2 divisors, whose sum is σ = 30996062. Its totient is φ = 30996060.

The previous prime is 30996037. The next prime is 30996067. The reversal of 30996061 is 16069903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24900100 + 6095961 = 4990^2 + 2469^2 .

It is an emirp because it is prime and its reverse (16069903) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30996061 - 2⁵ = 30996029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30996067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15498030 + 15498031.

It is an arithmetic number, because the mean of its divisors is an integer number (15498031).

Almost surely, 2^30996061 is an apocalyptic number.

It is an amenable number.

30996061 is a deficient number, since it is larger than the sum of its proper divisors (1).

30996061 is an equidigital number, since it uses as much as digits as its factorization.

30996061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 30996061 is about 5567.4106189502. The cubic root of 30996061 is about 314.1247594085.

The spelling of 30996061 in words is "thirty million, nine hundred ninety-six thousand, sixty-one".