1230323131020 has 24 divisors (see below), whose sum is σ = 3444904767024. Its totient is φ = 328086168256.

The previous prime is 1230323130997. The next prime is 1230323131049. The reversal of 1230323131020 is 201313230321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10252692699 + ... + 10252692818.

It is an arithmetic number, because the mean of its divisors is an integer number (143537698626).

Almost surely, 2^{1230323131020} is an apocalyptic number.

1230323131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230323131020 is an abundant number, since it is smaller than the sum of its proper divisors (2214581636004).

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

1230323131020 is a wasteful number, since it uses less digits than its factorization.

1230323131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20505385529 (or 20505385527 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1230323131020 its reverse (201313230321), we get a palindrome (1431636361341).

The spelling of 1230323131020 in words is "one trillion, two hundred thirty billion, three hundred twenty-three million, one hundred thirty-one thousand, twenty".