30311320130332 has 24 divisors (see below), whose sum is σ = 56174382036864. Its totient is φ = 14261791575552.

The previous prime is 30311320130309. The next prime is 30311320130339. The reversal of 30311320130332 is 23303102311303.

It is a super-2 number, since 2×30311320130332² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30311320130297 and 30311320130306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311320130339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36446313 + ... + 37268704.

It is an arithmetic number, because the mean of its divisors is an integer number (2340599251536).

Almost surely, 2^{30311320130332} is an apocalyptic number.

It is an amenable number.

30311320130332 is a deficient number, since it is larger than the sum of its proper divisors (25863061906532).

30311320130332 is a wasteful number, since it uses less digits than its factorization.

30311320130332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73721085 (or 73721083 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 30311320130332 its reverse (23303102311303), we get a palindrome (53614422441635).

The spelling of 30311320130332 in words is "thirty trillion, three hundred eleven billion, three hundred twenty million, one hundred thirty thousand, three hundred thirty-two".