31144014002225 has 24 divisors (see below), whose sum is σ = 40094767794432. Its totient is φ = 23972121806400.

The previous prime is 31144014002219. The next prime is 31144014002263. The reversal of 31144014002225 is 52220041044113.

It is a happy number.

It is not a de Polignac number, because 31144014002225 - 2⁴⁴ = 13551827957809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116009927 + ... + 116278076.

It is an arithmetic number, because the mean of its divisors is an integer number (1670615324768).

Almost surely, 2^{31144014002225} is an apocalyptic number.

It is an amenable number.

31144014002225 is a deficient number, since it is larger than the sum of its proper divisors (8950753792207).

31144014002225 is a wasteful number, since it uses less digits than its factorization.

31144014002225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232288217 (or 232288212 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 31144014002225 its reverse (52220041044113), we get a palindrome (83364055046338).

The spelling of 31144014002225 in words is "thirty-one trillion, one hundred forty-four billion, fourteen million, two thousand, two hundred twenty-five".