31144232423343 has 16 divisors (see below), whose sum is σ = 44860995811296. Its totient is φ = 19105221920640.

The previous prime is 31144232423341. The next prime is 31144232423387. The reversal of 31144232423343 is 34332423244113.

It is not a de Polignac number, because 31144232423343 - 2¹ = 31144232423341 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31144232423341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1259561868 + ... + 1259586593.

It is an arithmetic number, because the mean of its divisors is an integer number (2803812238206).

Almost surely, 2^{31144232423343} is an apocalyptic number.

31144232423343 is a deficient number, since it is larger than the sum of its proper divisors (13716763387953).

31144232423343 is a wasteful number, since it uses less digits than its factorization.

31144232423343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519148794.

The product of its digits is 497664, while the sum is 39.

Adding to 31144232423343 its reverse (34332423244113), we get a palindrome (65476655667456).

The spelling of 31144232423343 in words is "thirty-one trillion, one hundred forty-four billion, two hundred thirty-two million, four hundred twenty-three thousand, three hundred forty-three".