31223011130 has 16 divisors (see below), whose sum is σ = 56222138880. Its totient is φ = 12484600272.

The previous prime is 31223011111. The next prime is 31223011133. The reversal of 31223011130 is 3111032213.

It is a junction number, because it is equal to n+sod(n) for n = 31223011099 and 31223011108.

It is not an unprimeable number, because it can be changed into a prime (31223011133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546974 + ... + 601353.

It is an arithmetic number, because the mean of its divisors is an integer number (3513883680).

Almost surely, 2^31223011130 is an apocalyptic number.

31223011130 is a deficient number, since it is larger than the sum of its proper divisors (24999127750).

31223011130 is a wasteful number, since it uses less digits than its factorization.

31223011130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151053.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31223011130 its reverse (3111032213), we get a palindrome (34334043343).

The spelling of 31223011130 in words is "thirty-one billion, two hundred twenty-three million, eleven thousand, one hundred thirty".