30803259140 has 24 divisors (see below), whose sum is σ = 68491953432. Its totient is φ = 11596520960.

The previous prime is 30803259131. The next prime is 30803259199. The reversal of 30803259140 is 4195230803.

It can be written as a sum of positive squares in 4 ways, for example, as 1951518976 + 28851740164 = 44176^2 + 169858^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30803259140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45298571 + ... + 45299250.

It is an arithmetic number, because the mean of its divisors is an integer number (2853831393).

Almost surely, 2^30803259140 is an apocalyptic number.

It is an amenable number.

30803259140 is an abundant number, since it is smaller than the sum of its proper divisors (37688694292).

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

30803259140 is a wasteful number, since it uses less digits than its factorization.

30803259140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90597847 (or 90597845 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 30803259140 its reverse (4195230803), we get a palindrome (34998489943).

The spelling of 30803259140 in words is "thirty billion, eight hundred three million, two hundred fifty-nine thousand, one hundred forty".