31140100131243 has 8 divisors (see below), whose sum is σ = 41528276328000. Its totient is φ = 20755995344328.

The previous prime is 31140100131241. The next prime is 31140100131247. The reversal of 31140100131243 is 34213100104113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31140100131243 - 2¹ = 31140100131241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31140100131241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017834613 + ... + 1017865206.

It is an arithmetic number, because the mean of its divisors is an integer number (5191034541000).

Almost surely, 2^{31140100131243} is an apocalyptic number.

31140100131243 is a deficient number, since it is larger than the sum of its proper divisors (10388176196757).

31140100131243 is a wasteful number, since it uses less digits than its factorization.

31140100131243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035704921.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31140100131243 its reverse (34213100104113), we get a palindrome (65353200235356).

The spelling of 31140100131243 in words is "thirty-one trillion, one hundred forty billion, one hundred million, one hundred thirty-one thousand, two hundred forty-three".