31144003342031 has 8 divisors (see below), whose sum is σ = 31303192250880. Its totient is φ = 30984825519648.

The previous prime is 31144003342009. The next prime is 31144003342073. The reversal of 31144003342031 is 13024330044113.

It is a happy number.

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 31144003342031 - 2¹⁸ = 31144003079887 is a prime.

It is a super-2 number, since 2×31144003342031² (a number of 28 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 = 31144003341985 and 31144003342003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31144003332031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2890610 + ... + 8404976.

It is an arithmetic number, because the mean of its divisors is an integer number (3912899031360).

Almost surely, 2^{31144003342031} is an apocalyptic number.

31144003342031 is a deficient number, since it is larger than the sum of its proper divisors (159188908849).

31144003342031 is a wasteful number, since it uses less digits than its factorization.

31144003342031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543233.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 31144003342031 its reverse (13024330044113), we get a palindrome (44168333386144).

The spelling of 31144003342031 in words is "thirty-one trillion, one hundred forty-four billion, three million, three hundred forty-two thousand, thirty-one".