30231040039 has 2 divisors, whose sum is σ = 30231040040. Its totient is φ = 30231040038.

The previous prime is 30231040003. The next prime is 30231040097. The reversal of 30231040039 is 93004013203.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30231040039 is a prime.

It is a super-2 number, since 2×30231040039² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30231039995 and 30231040022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30231040139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115520019 + 15115520020.

It is an arithmetic number, because the mean of its divisors is an integer number (15115520020).

Almost surely, 2^30231040039 is an apocalyptic number.

30231040039 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231040039 is an equidigital number, since it uses as much as digits as its factorization.

30231040039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The spelling of 30231040039 in words is "thirty billion, two hundred thirty-one million, forty thousand, thirty-nine".