133021111031331 has 16 divisors (see below), whose sum is σ = 177610903079424. Its totient is φ = 88556044235904.

The previous prime is 133021111031311. The next prime is 133021111031357. The reversal of 133021111031331 is 133130111120331.

It is not a de Polignac number, because 133021111031331 - 2¹⁰ = 133021111030307 is a prime.

It is a super-2 number, since 2×133021111031331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133021111031311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35337090 + ... + 38919816.

It is an arithmetic number, because the mean of its divisors is an integer number (11100681442464).

Almost surely, 2^{133021111031331} is an apocalyptic number.

133021111031331 is a deficient number, since it is larger than the sum of its proper divisors (44589792048093).

133021111031331 is a wasteful number, since it uses less digits than its factorization.

133021111031331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600130.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 133021111031331 its reverse (133130111120331), we get a palindrome (266151222151662).

The spelling of 133021111031331 in words is "one hundred thirty-three trillion, twenty-one billion, one hundred eleven million, thirty-one thousand, three hundred thirty-one".