31415021133 has 16 divisors (see below), whose sum is σ = 42396135936. Its totient is φ = 20690166960.

The previous prime is 31415021003. The next prime is 31415021153. The reversal of 31415021133 is 33112051413.

It is not a de Polignac number, because 31415021133 - 2⁹ = 31415020621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31415021153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110683 + ... + 274008.

It is an arithmetic number, because the mean of its divisors is an integer number (2649758496).

Almost surely, 2^31415021133 is an apocalyptic number.

It is an amenable number.

31415021133 is a deficient number, since it is larger than the sum of its proper divisors (10981114803).

31415021133 is a wasteful number, since it uses less digits than its factorization.

31415021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385024.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 31415021133 its reverse (33112051413), we get a palindrome (64527072546).

The spelling of 31415021133 in words is "thirty-one billion, four hundred fifteen million, twenty-one thousand, one hundred thirty-three".