1231344250231 has 8 divisors (see below), whose sum is σ = 1261475412624. Its totient is φ = 1201217772480.

The previous prime is 1231344250217. The next prime is 1231344250243. The reversal of 1231344250231 is 1320524431321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1231344250231 - 2¹⁵ = 1231344217463 is a prime.

It is a super-2 number, since 2×1231344250231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231344250193 and 1231344250202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231344250931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636081 + ... + 1693306.

It is an arithmetic number, because the mean of its divisors is an integer number (157684426578).

Almost surely, 2^{1231344250231} is an apocalyptic number.

1231344250231 is a deficient number, since it is larger than the sum of its proper divisors (30131162393).

1231344250231 is a wasteful number, since it uses less digits than its factorization.

1231344250231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342321.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1231344250231 its reverse (1320524431321), we get a palindrome (2551868681552).

The spelling of 1231344250231 in words is "one trillion, two hundred thirty-one billion, three hundred forty-four million, two hundred fifty thousand, two hundred thirty-one".