30102313232 has 20 divisors (see below), whose sum is σ = 58327105740. Its totient is φ = 15050156928.

The previous prime is 30102313231. The next prime is 30102313243. The reversal of 30102313232 is 23231320103.

It can be written as a sum of positive squares in 2 ways, for example, as 944701696 + 29157611536 = 30736^2 + 170756^2 .

It is a super-2 number, since 2×30102313232² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30102313231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226418 + ... + 333870.

It is an arithmetic number, because the mean of its divisors is an integer number (2916355287).

Almost surely, 2^30102313232 is an apocalyptic number.

It is an amenable number.

30102313232 is a deficient number, since it is larger than the sum of its proper divisors (28224792508).

30102313232 is a wasteful number, since it uses less digits than its factorization.

30102313232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124970 (or 124964 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30102313232 its reverse (23231320103), we get a palindrome (53333633335).

The spelling of 30102313232 in words is "thirty billion, one hundred two million, three hundred thirteen thousand, two hundred thirty-two".