31140032383 has 2 divisors, whose sum is σ = 31140032384. Its totient is φ = 31140032382.

The previous prime is 31140032377. The next prime is 31140032431. The reversal of 31140032383 is 38323004113.

It is a weak prime.

It is an emirp because it is prime and its reverse (38323004113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31140032383 - 2¹³ = 31140024191 is a prime.

It is a super-3 number, since 3×31140032383³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31140132383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15570016191 + 15570016192.

It is an arithmetic number, because the mean of its divisors is an integer number (15570016192).

Almost surely, 2^31140032383 is an apocalyptic number.

31140032383 is a deficient number, since it is larger than the sum of its proper divisors (1).

31140032383 is an equidigital number, since it uses as much as digits as its factorization.

31140032383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 31140032383 its reverse (38323004113), we get a palindrome (69463036496).

The spelling of 31140032383 in words is "thirty-one billion, one hundred forty million, thirty-two thousand, three hundred eighty-three".