1231302242430 has 192 divisors, whose sum is σ = 3476633928768. Its totient is φ = 300551731200.

The previous prime is 1231302242389. The next prime is 1231302242431. The reversal of 1231302242430 is 342422031321.

1231302242430 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 3 + 0 + 224 + 2 + 430 = 666.

It is a super-3 number, since 3×1231302242430³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1231302242394 and 1231302242403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231302242431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 70751730 + ... + 70769130.

It is an arithmetic number, because the mean of its divisors is an integer number (18107468379).

Almost surely, 2^{1231302242430} is an apocalyptic number.

1231302242430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1231302242430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1738316964384).

1231302242430 is an abundant number, since it is smaller than the sum of its proper divisors (2245331686338).

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

1231302242430 is a wasteful number, since it uses less digits than its factorization.

1231302242430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17931 (or 17928 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1231302242430 its reverse (342422031321), we get a palindrome (1573724273751).

The spelling of 1231302242430 in words is "one trillion, two hundred thirty-one billion, three hundred two million, two hundred forty-two thousand, four hundred thirty".