30430697280 has 112 divisors (see below), whose sum is σ = 97520760000. Its totient is φ = 8038985728.

The previous prime is 30430697279. The next prime is 30430697287. The reversal of 30430697280 is 8279603403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30430697287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45405 + ... + 250844.

Almost surely, 2^30430697280 is an apocalyptic number.

30430697280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30430697280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48760380000).

30430697280 is an abundant number, since it is smaller than the sum of its proper divisors (67090062720).

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

30430697280 is a wasteful number, since it uses less digits than its factorization.

30430697280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296376 (or 296366 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 30430697280 in words is "thirty billion, four hundred thirty million, six hundred ninety-seven thousand, two hundred eighty".