31143230240103 has 6 divisors (see below), whose sum is σ = 44984665902384. Its totient is φ = 20762153493396.

The previous prime is 31143230240071. The next prime is 31143230240191. The reversal of 31143230240103 is 30104203234113.

It is a happy number.

31143230240103 is a `hidden beast` number, since 311 + 4 + 3 + 2 + 3 + 0 + 240 + 103 = 666.

It is not a de Polignac number, because 31143230240103 - 2⁵ = 31143230240071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31143230240303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1730179457775 + ... + 1730179457792.

It is an arithmetic number, because the mean of its divisors is an integer number (7497444317064).

Almost surely, 2^{31143230240103} is an apocalyptic number.

31143230240103 is a deficient number, since it is larger than the sum of its proper divisors (13841435662281).

31143230240103 is a wasteful number, since it uses less digits than its factorization.

31143230240103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460358915573 (or 3460358915570 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 31143230240103 its reverse (30104203234113), we get a palindrome (61247433474216).

The spelling of 31143230240103 in words is "thirty-one trillion, one hundred forty-three billion, two hundred thirty million, two hundred forty thousand, one hundred three".