31423140333 has 12 divisors (see below), whose sum is σ = 48880440700. Its totient is φ = 19337317056.

The previous prime is 31423140313. The next prime is 31423140383. The reversal of 31423140333 is 33304132413.

31423140333 is a `hidden beast` number, since 3 + 14 + 2 + 314 + 0 + 333 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10339229124 + 21083911209 = 101682^2 + 145203^2 .

It is a de Polignac number, because none of the positive numbers 2^k-31423140333 is a prime.

It is a super-2 number, since 2×31423140333² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31423140297 and 31423140306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31423140313) 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, 134286808 + ... + 134287041.

Almost surely, 2^31423140333 is an apocalyptic number.

It is an amenable number.

31423140333 is a deficient number, since it is larger than the sum of its proper divisors (17457300367).

31423140333 is a wasteful number, since it uses less digits than its factorization.

31423140333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268573868 (or 268573865 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 31423140333 its reverse (33304132413), we get a palindrome (64727272746).

The spelling of 31423140333 in words is "thirty-one billion, four hundred twenty-three million, one hundred forty thousand, three hundred thirty-three".