133021223031 has 16 divisors (see below), whose sum is σ = 177539941728. Its totient is φ = 88591708800.

The previous prime is 133021223021. The next prime is 133021223039. The reversal of 133021223031 is 130322120331.

It is not a de Polignac number, because 133021223031 - 2¹⁸ = 133020960887 is a prime.

It is a super-2 number, since 2×133021223031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133021222989 and 133021223007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133021223039) 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 15 ways as a sum of consecutive naturals, for example, 21379501 + ... + 21385721.

It is an arithmetic number, because the mean of its divisors is an integer number (11096246358).

Almost surely, 2^133021223031 is an apocalyptic number.

133021223031 is a deficient number, since it is larger than the sum of its proper divisors (44518718697).

133021223031 is a wasteful number, since it uses less digits than its factorization.

133021223031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12242.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 133021223031 its reverse (130322120331), we get a palindrome (263343343362).

The spelling of 133021223031 in words is "one hundred thirty-three billion, twenty-one million, two hundred twenty-three thousand, thirty-one".