30142401997 has 2 divisors, whose sum is σ = 30142401998. Its totient is φ = 30142401996.

The previous prime is 30142401979. The next prime is 30142402013. The reversal of 30142401997 is 79910424103.

Together with previous prime (30142401979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23954062441 + 6188339556 = 154771^2 + 78666^2 .

It is a cyclic number.

It is not a de Polignac number, because 30142401997 - 2¹¹ = 30142399949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30142401977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15071200998 + 15071200999.

It is an arithmetic number, because the mean of its divisors is an integer number (15071200999).

Almost surely, 2^30142401997 is an apocalyptic number.

It is an amenable number.

30142401997 is a deficient number, since it is larger than the sum of its proper divisors (1).

30142401997 is an equidigital number, since it uses as much as digits as its factorization.

30142401997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 30142401997 in words is "thirty billion, one hundred forty-two million, four hundred one thousand, nine hundred ninety-seven".