133031021132 has 24 divisors (see below), whose sum is σ = 242392006752. Its totient is φ = 63829353600.

The previous prime is 133031021131. The next prime is 133031021191. The reversal of 133031021132 is 231120130331.

It is a super-2 number, since 2×133031021132² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133031021131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6638888 + ... + 6658895.

It is an arithmetic number, because the mean of its divisors is an integer number (10099666948).

Almost surely, 2^133031021132 is an apocalyptic number.

It is an amenable number.

133031021132 is a deficient number, since it is larger than the sum of its proper divisors (109360985620).

133031021132 is a wasteful number, since it uses less digits than its factorization.

133031021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13297889 (or 13297887 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 133031021132 its reverse (231120130331), we get a palindrome (364151151463).

The spelling of 133031021132 in words is "one hundred thirty-three billion, thirty-one million, twenty-one thousand, one hundred thirty-two".