30334440431 has 2 divisors, whose sum is σ = 30334440432. Its totient is φ = 30334440430.

The previous prime is 30334440421. The next prime is 30334440497. The reversal of 30334440431 is 13404443303.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30334440431 is a prime.

It is a super-2 number, since 2×30334440431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30334440394 and 30334440403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30334440421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15167220215 + 15167220216.

It is an arithmetic number, because the mean of its divisors is an integer number (15167220216).

Almost surely, 2^30334440431 is an apocalyptic number.

30334440431 is a deficient number, since it is larger than the sum of its proper divisors (1).

30334440431 is an equidigital number, since it uses as much as digits as its factorization.

30334440431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 30334440431 its reverse (13404443303), we get a palindrome (43738883734).

The spelling of 30334440431 in words is "thirty billion, three hundred thirty-four million, four hundred forty thousand, four hundred thirty-one".