30231403040 has 48 divisors (see below), whose sum is σ = 71474681880. Its totient is φ = 12083589120.

The previous prime is 30231402997. The next prime is 30231403129. The reversal of 30231403040 is 4030413203.

It can be written as a sum of positive squares in 4 ways, for example, as 16664744464 + 13566658576 = 129092^2 + 116476^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 148346 + ... + 287174.

Almost surely, 2^30231403040 is an apocalyptic number.

It is an amenable number.

30231403040 is an abundant number, since it is smaller than the sum of its proper divisors (41243278840).

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

30231403040 is a wasteful number, since it uses less digits than its factorization.

30231403040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140205 (or 140197 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30231403040 its reverse (4030413203), we get a palindrome (34261816243).

The spelling of 30231403040 in words is "thirty billion, two hundred thirty-one million, four hundred three thousand, forty".