1231040223315 has 32 divisors (see below), whose sum is σ = 2501161090560. Its totient is φ = 562761244512.

The previous prime is 1231040223227. The next prime is 1231040223337. The reversal of 1231040223315 is 5133220401321.

1231040223315 is a `hidden beast` number, since 1 + 2 + 3 + 10 + 402 + 233 + 15 = 666.

It is not a de Polignac number, because 1231040223315 - 2⁷ = 1231040223187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 651343089 + ... + 651344978.

It is an arithmetic number, because the mean of its divisors is an integer number (78161284080).

Almost surely, 2^{1231040223315} is an apocalyptic number.

1231040223315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1231040223315 is an abundant number, since it is smaller than the sum of its proper divisors (1270120867245).

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

1231040223315 is a wasteful number, since it uses less digits than its factorization.

1231040223315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302688088 (or 1302688082 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 1231040223315 its reverse (5133220401321), we get a palindrome (6364260624636).

The spelling of 1231040223315 in words is "one trillion, two hundred thirty-one billion, forty million, two hundred twenty-three thousand, three hundred fifteen".