30303213332312 has 8 divisors (see below), whose sum is σ = 56818524998100. Its totient is φ = 15151606666152.

The previous prime is 30303213332297. The next prime is 30303213332377. The reversal of 30303213332312 is 21323331230303.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×30303213332312² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1893950833262 + ... + 1893950833277.

Almost surely, 2^{30303213332312} is an apocalyptic number.

It is an amenable number.

30303213332312 is a deficient number, since it is larger than the sum of its proper divisors (26515311665788).

30303213332312 is a wasteful number, since it uses less digits than its factorization.

30303213332312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787901666545 (or 3787901666541 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 30303213332312 its reverse (21323331230303), we get a palindrome (51626544562615).

The spelling of 30303213332312 in words is "thirty trillion, three hundred three billion, two hundred thirteen million, three hundred thirty-two thousand, three hundred twelve".