1231430352150 has 48 divisors (see below), whose sum is σ = 3054304400400. Its totient is φ = 328343026560.

The previous prime is 1231430352127. The next prime is 1231430352169. The reversal of 1231430352150 is 512530341321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 818656 + ... + 1770044.

It is an arithmetic number, because the mean of its divisors is an integer number (63631341675).

Almost surely, 2^{1231430352150} is an apocalyptic number.

1231430352150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231430352150 is an abundant number, since it is smaller than the sum of its proper divisors (1822874048250).

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

1231430352150 is a wasteful number, since it uses less digits than its factorization.

1231430352150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960033 (or 960028 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 1231430352150 its reverse (512530341321), we get a palindrome (1743960693471).

The spelling of 1231430352150 in words is "one trillion, two hundred thirty-one billion, four hundred thirty million, three hundred fifty-two thousand, one hundred fifty".