2031144324397 has 32 divisors (see below), whose sum is σ = 2168379648000. Its totient is φ = 1897179926400.

The previous prime is 2031144324353. The next prime is 2031144324439. The reversal of 2031144324397 is 7934234411302.

It is a cyclic number.

It is not a de Polignac number, because 2031144324397 - 2²³ = 2031135935789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031144324197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233487354 + ... + 233496052.

It is an arithmetic number, because the mean of its divisors is an integer number (67761864000).

Almost surely, 2^{2031144324397} is an apocalyptic number.

It is an amenable number.

2031144324397 is a deficient number, since it is larger than the sum of its proper divisors (137235323603).

2031144324397 is a wasteful number, since it uses less digits than its factorization.

2031144324397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9457.

The product of its (nonzero) digits is 435456, while the sum is 43.

Adding to 2031144324397 its reverse (7934234411302), we get a palindrome (9965378735699).

The spelling of 2031144324397 in words is "two trillion, thirty-one billion, one hundred forty-four million, three hundred twenty-four thousand, three hundred ninety-seven".