1231312413330 has 24 divisors (see below), whose sum is σ = 3201412274892. Its totient is φ = 328349976864.

The previous prime is 1231312413323. The next prime is 1231312413361. The reversal of 1231312413330 is 333142131321.

1231312413330 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 312 + 4 + 13 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1125086611401 + 106225801929 = 1060701^2 + 325923^2 .

It is a super-2 number, since 2×1231312413330² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1231312413294 and 1231312413303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6840624429 + ... + 6840624608.

Almost surely, 2^{1231312413330} is an apocalyptic number.

1231312413330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231312413330 is an abundant number, since it is smaller than the sum of its proper divisors (1970099861562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231312413330 is a wasteful number, since it uses less digits than its factorization.

1231312413330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13681249050 (or 13681249047 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 1231312413330 its reverse (333142131321), we get a palindrome (1564454544651).

The spelling of 1231312413330 in words is "one trillion, two hundred thirty-one billion, three hundred twelve million, four hundred thirteen thousand, three hundred thirty".