31423133403 has 6 divisors (see below), whose sum is σ = 45388970484. Its totient is φ = 20948755596.

The previous prime is 31423133363. The next prime is 31423133411. The reversal of 31423133403 is 30433132413.

31423133403 is a `hidden beast` number, since 3 + 1 + 4 + 2 + 313 + 340 + 3 = 666.

It is not a de Polignac number, because 31423133403 - 2⁹ = 31423132891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31423133453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1745729625 + ... + 1745729642.

It is an arithmetic number, because the mean of its divisors is an integer number (7564828414).

Almost surely, 2^31423133403 is an apocalyptic number.

31423133403 is a deficient number, since it is larger than the sum of its proper divisors (13965837081).

31423133403 is a wasteful number, since it uses less digits than its factorization.

31423133403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491459273 (or 3491459270 counting only the distinct ones).

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

Adding to 31423133403 its reverse (30433132413), we get a palindrome (61856265816).

The spelling of 31423133403 in words is "thirty-one billion, four hundred twenty-three million, one hundred thirty-three thousand, four hundred three".