1345254250431 has 128 divisors (see below), whose sum is σ = 2302201036800. Its totient is φ = 679672788480.

The previous prime is 1345254250427. The next prime is 1345254250469. The reversal of 1345254250431 is 1340524525431.

It is not a de Polignac number, because 1345254250431 - 2² = 1345254250427 is a prime.

It is a super-2 number, since 2×1345254250431² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1345254250431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345254250411) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 547072480 + ... + 547074938.

It is an arithmetic number, because the mean of its divisors is an integer number (17985945600).

Almost surely, 2^{1345254250431} is an apocalyptic number.

1345254250431 is a deficient number, since it is larger than the sum of its proper divisors (956946786369).

1345254250431 is a wasteful number, since it uses less digits than its factorization.

1345254250431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 1345254250431 its reverse (1340524525431), we get a palindrome (2685778775862).

The spelling of 1345254250431 in words is "one trillion, three hundred forty-five billion, two hundred fifty-four million, two hundred fifty thousand, four hundred thirty-one".