30402225315238 has 24 divisors (see below), whose sum is σ = 56169297434232. Its totient is φ = 12263082479424.

The previous prime is 30402225315127. The next prime is 30402225315239. The reversal of 30402225315238 is 83251352220403.

It is a self number, because there is not a number n which added to its sum of digits gives 30402225315238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30402225315239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9124315656 + ... + 9124318987.

It is an arithmetic number, because the mean of its divisors is an integer number (2340387393093).

Almost surely, 2^{30402225315238} is an apocalyptic number.

30402225315238 is a deficient number, since it is larger than the sum of its proper divisors (25767072118994).

30402225315238 is a wasteful number, since it uses less digits than its factorization.

30402225315238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18248634676 (or 18248634669 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 30402225315238 in words is "thirty trillion, four hundred two billion, two hundred twenty-five million, three hundred fifteen thousand, two hundred thirty-eight".