1231314440230 has 256 divisors, whose sum is σ = 2849937592320. Its totient is φ = 372865794048.

The previous prime is 1231314440221. The next prime is 1231314440231. The reversal of 1231314440230 is 320444131321.

It is a happy number.

It is a super-2 number, since 2×1231314440230² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231314440231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1693692127 + ... + 1693692853.

It is an arithmetic number, because the mean of its divisors is an integer number (11132568720).

Almost surely, 2^{1231314440230} is an apocalyptic number.

1231314440230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231314440230 is an abundant number, since it is smaller than the sum of its proper divisors (1618623152090).

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

1231314440230 is a wasteful number, since it uses less digits than its factorization.

1231314440230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1231314440230 its reverse (320444131321), we get a palindrome (1551758571551).

The spelling of 1231314440230 in words is "one trillion, two hundred thirty-one billion, three hundred fourteen million, four hundred forty thousand, two hundred thirty".