31220022101133 has 8 divisors (see below), whose sum is σ = 41671121641408. Its totient is φ = 20791135314144.

The previous prime is 31220022101087. The next prime is 31220022101143. The reversal of 31220022101133 is 33110122002213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31220022101133 - 2¹⁸ = 31220021838989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31220022101143) 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 7 ways as a sum of consecutive naturals, for example, 5553185041 + ... + 5553190662.

It is an arithmetic number, because the mean of its divisors is an integer number (5208890205176).

Almost surely, 2^{31220022101133} is an apocalyptic number.

It is an amenable number.

31220022101133 is a deficient number, since it is larger than the sum of its proper divisors (10451099540275).

31220022101133 is a wasteful number, since it uses less digits than its factorization.

31220022101133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106376643.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31220022101133 its reverse (33110122002213), we get a palindrome (64330144103346).

The spelling of 31220022101133 in words is "thirty-one trillion, two hundred twenty billion, twenty-two million, one hundred one thousand, one hundred thirty-three".