30031201229 has 2 divisors, whose sum is σ = 30031201230. Its totient is φ = 30031201228.

The previous prime is 30031201147. The next prime is 30031201289. The reversal of 30031201229 is 92210213003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21330602500 + 8700598729 = 146050^2 + 93277^2 .

It is a cyclic number.

It is not a de Polignac number, because 30031201229 - 2³² = 25736233933 is a prime.

It is a super-2 number, since 2×30031201229² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30031201289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015600614 + 15015600615.

It is an arithmetic number, because the mean of its divisors is an integer number (15015600615).

Almost surely, 2^30031201229 is an apocalyptic number.

It is an amenable number.

30031201229 is a deficient number, since it is larger than the sum of its proper divisors (1).

30031201229 is an equidigital number, since it uses as much as digits as its factorization.

30031201229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 30031201229 in words is "thirty billion, thirty-one million, two hundred one thousand, two hundred twenty-nine".