123331213130 has 48 divisors (see below), whose sum is σ = 229579161192. Its totient is φ = 47701411200.

The previous prime is 123331213087. The next prime is 123331213133. The reversal of 123331213130 is 31312133321.

It can be written as a sum of positive squares in 4 ways, for example, as 67340769001 + 55990444129 = 259501^2 + 236623^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123331213096 and 123331213105.

It is not an unprimeable number, because it can be changed into a prime (123331213133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13266764 + ... + 13276056.

Almost surely, 2^123331213130 is an apocalyptic number.

123331213130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123331213130 is a deficient number, since it is larger than the sum of its proper divisors (106247948062).

123331213130 is a wasteful number, since it uses less digits than its factorization.

123331213130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10743 (or 10712 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 123331213130 its reverse (31312133321), we get a palindrome (154643346451).

The spelling of 123331213130 in words is "one hundred twenty-three billion, three hundred thirty-one million, two hundred thirteen thousand, one hundred thirty".