30151402530 has 64 divisors (see below), whose sum is σ = 73420276608. Its totient is φ = 7923430400.

The previous prime is 30151402471. The next prime is 30151402531. The reversal of 30151402530 is 3520415103.

It is a self number, because there is not a number n which added to its sum of digits gives 30151402530.

It is not an unprimeable number, because it can be changed into a prime (30151402531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 983392 + ... + 1013588.

It is an arithmetic number, because the mean of its divisors is an integer number (1147191822).

Almost surely, 2^30151402530 is an apocalyptic number.

30151402530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30151402530 is an abundant number, since it is smaller than the sum of its proper divisors (43268874078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30151402530 is a wasteful number, since it uses less digits than its factorization.

30151402530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30691.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 30151402530 its reverse (3520415103), we get a palindrome (33671817633).

The spelling of 30151402530 in words is "thirty billion, one hundred fifty-one million, four hundred two thousand, five hundred thirty".