31031000230322 has 16 divisors (see below), whose sum is σ = 49155913292640. Its totient is φ = 14651015704128.

The previous prime is 31031000230297. The next prime is 31031000230327. The reversal of 31031000230322 is 22303200013013.

It is a junction number, because it is equal to n+sod(n) for n = 31031000230294 and 31031000230303.

It is not an unprimeable number, because it can be changed into a prime (31031000230327) 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, 1329964343 + ... + 1329987674.

It is an arithmetic number, because the mean of its divisors is an integer number (3072244580790).

Almost surely, 2^{31031000230322} is an apocalyptic number.

31031000230322 is a deficient number, since it is larger than the sum of its proper divisors (18124913062318).

31031000230322 is a wasteful number, since it uses less digits than its factorization.

31031000230322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659952345.

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

Adding to 31031000230322 its reverse (22303200013013), we get a palindrome (53334200243335).

The spelling of 31031000230322 in words is "thirty-one trillion, thirty-one billion, two hundred thirty thousand, three hundred twenty-two".