30725073311 has 2 divisors, whose sum is σ = 30725073312. Its totient is φ = 30725073310.

The previous prime is 30725073277. The next prime is 30725073331. The reversal of 30725073311 is 11337052703.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30725073311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30725073331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15362536655 + 15362536656.

It is an arithmetic number, because the mean of its divisors is an integer number (15362536656).

Almost surely, 2^30725073311 is an apocalyptic number.

30725073311 is a deficient number, since it is larger than the sum of its proper divisors (1).

30725073311 is an equidigital number, since it uses as much as digits as its factorization.

30725073311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 32.

The spelling of 30725073311 in words is "thirty billion, seven hundred twenty-five million, seventy-three thousand, three hundred eleven".