1245344334231 has 8 divisors (see below), whose sum is σ = 1660824146800. Its totient is φ = 830047038912.

The previous prime is 1245344334211. The next prime is 1245344334239. The reversal of 1245344334231 is 1324334435421.

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

It is a de Polignac number, because none of the positive numbers 2^k-1245344334231 is a prime.

It is a super-2 number, since 2×1245344334231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1245344334231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245344334239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45613390 + ... + 45640683.

It is an arithmetic number, because the mean of its divisors is an integer number (207603018350).

Almost surely, 2^{1245344334231} is an apocalyptic number.

1245344334231 is a deficient number, since it is larger than the sum of its proper divisors (415479812569).

1245344334231 is an equidigital number, since it uses as much as digits as its factorization.

1245344334231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91258625.

The product of its digits is 414720, while the sum is 39.

Adding to 1245344334231 its reverse (1324334435421), we get a palindrome (2569678769652).

The spelling of 1245344334231 in words is "one trillion, two hundred forty-five billion, three hundred forty-four million, three hundred thirty-four thousand, two hundred thirty-one".