30294293137 has 2 divisors, whose sum is σ = 30294293138. Its totient is φ = 30294293136.

The previous prime is 30294293059. The next prime is 30294293147. The reversal of 30294293137 is 73139249203.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21906664081 + 8387629056 = 148009^2 + 91584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30294293137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30294293093 and 30294293102.

It is not a weakly prime, because it can be changed into another prime (30294293147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15147146568 + 15147146569.

It is an arithmetic number, because the mean of its divisors is an integer number (15147146569).

Almost surely, 2^30294293137 is an apocalyptic number.

It is an amenable number.

30294293137 is a deficient number, since it is larger than the sum of its proper divisors (1).

30294293137 is an equidigital number, since it uses as much as digits as its factorization.

30294293137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 30294293137 in words is "thirty billion, two hundred ninety-four million, two hundred ninety-three thousand, one hundred thirty-seven".