31321222300030 has 16 divisors (see below), whose sum is σ = 60714984766464. Its totient is φ = 11564759003040.

The previous prime is 31321222300003. The next prime is 31321222300037. The reversal of 31321222300030 is 3000322212313.

It is a junction number, because it is equal to n+sod(n) for n = 31321222299974 and 31321222300010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31321222300037) 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, 120466239486 + ... + 120466239745.

It is an arithmetic number, because the mean of its divisors is an integer number (3794686547904).

Almost surely, 2^{31321222300030} is an apocalyptic number.

31321222300030 is a deficient number, since it is larger than the sum of its proper divisors (29393762466434).

31321222300030 is a wasteful number, since it uses less digits than its factorization.

31321222300030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240932479251.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31321222300030 its reverse (3000322212313), we get a palindrome (34321544512343).

The spelling of 31321222300030 in words is "thirty-one trillion, three hundred twenty-one billion, two hundred twenty-two million, three hundred thousand, thirty".