31302123130030 has 16 divisors (see below), whose sum is σ = 59658164083440. Its totient is φ = 11784328707712.

The previous prime is 31302123130009. The next prime is 31302123130063. The reversal of 31302123130030 is 3003132120313.

It is a junction number, because it is equal to n+sod(n) for n = 31302123129983 and 31302123130010.

It is a congruent number.

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, 92065067860 + ... + 92065068199.

It is an arithmetic number, because the mean of its divisors is an integer number (3728635255215).

Almost surely, 2^{31302123130030} is an apocalyptic number.

31302123130030 is a deficient number, since it is larger than the sum of its proper divisors (28356040953410).

31302123130030 is a wasteful number, since it uses less digits than its factorization.

31302123130030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184130136083.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31302123130030 its reverse (3003132120313), we get a palindrome (34305255250343).

The spelling of 31302123130030 in words is "thirty-one trillion, three hundred two billion, one hundred twenty-three million, one hundred thirty thousand, thirty".