31402324111 has 4 divisors (see below), whose sum is σ = 31527433224. Its totient is φ = 31277215000.

The previous prime is 31402324103. The next prime is 31402324147. The reversal of 31402324111 is 11142320413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31402324111 - 2³ = 31402324103 is a prime.

It is a super-3 number, since 3×31402324111³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31402324171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62554180 + ... + 62554681.

It is an arithmetic number, because the mean of its divisors is an integer number (7881858306).

Almost surely, 2^31402324111 is an apocalyptic number.

31402324111 is a deficient number, since it is larger than the sum of its proper divisors (125109113).

31402324111 is a wasteful number, since it uses less digits than its factorization.

31402324111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125109112.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31402324111 its reverse (11142320413), we get a palindrome (42544644524).

The spelling of 31402324111 in words is "thirty-one billion, four hundred two million, three hundred twenty-four thousand, one hundred eleven".