133031501224 has 8 divisors (see below), whose sum is σ = 249434064810. Its totient is φ = 66515750608.

The previous prime is 133031501209. The next prime is 133031501243. The reversal of 133031501224 is 422105130331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 129181298724 + 3850202500 = 359418^2 + 62050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×133031501224² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8314468819 + ... + 8314468834.

Almost surely, 2^133031501224 is an apocalyptic number.

It is an amenable number.

133031501224 is a deficient number, since it is larger than the sum of its proper divisors (116402563586).

133031501224 is a wasteful number, since it uses less digits than its factorization.

133031501224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16628937659 (or 16628937655 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 133031501224 its reverse (422105130331), we get a palindrome (555136631555).

The spelling of 133031501224 in words is "one hundred thirty-three billion, thirty-one million, five hundred one thousand, two hundred twenty-four".