30706503140 has 48 divisors (see below), whose sum is σ = 64759199232. Its totient is φ = 12230217216.

The previous prime is 30706503131. The next prime is 30706503143. The reversal of 30706503140 is 4130560703.

It is not an unprimeable number, because it can be changed into a prime (30706503143) 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, 6110669 + ... + 6115691.

It is an arithmetic number, because the mean of its divisors is an integer number (1349149984).

Almost surely, 2^30706503140 is an apocalyptic number.

It is an amenable number.

30706503140 is an abundant number, since it is smaller than the sum of its proper divisors (34052696092).

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

30706503140 is a wasteful number, since it uses less digits than its factorization.

30706503140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276 (or 6274 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The spelling of 30706503140 in words is "thirty billion, seven hundred six million, five hundred three thousand, one hundred forty".