31144014002233 has 12 divisors (see below), whose sum is σ = 34362838851264. Its totient is φ = 28205086969400.

The previous prime is 31144014002219. The next prime is 31144014002263. The reversal of 31144014002233 is 33220041044113.

It is a happy number.

It is not a de Polignac number, because 31144014002233 - 2²¹ = 31144011905081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31144014002263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489300013 + ... + 489363658.

It is an arithmetic number, because the mean of its divisors is an integer number (2863569904272).

Almost surely, 2^{31144014002233} is an apocalyptic number.

It is an amenable number.

31144014002233 is a deficient number, since it is larger than the sum of its proper divisors (3218824849031).

31144014002233 is a wasteful number, since it uses less digits than its factorization.

31144014002233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978663956 (or 978663945 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 31144014002233 its reverse (33220041044113), we get a palindrome (64364055046346).

The spelling of 31144014002233 in words is "thirty-one trillion, one hundred forty-four billion, fourteen million, two thousand, two hundred thirty-three".