133212302031 has 16 divisors (see below), whose sum is σ = 177854168448. Its totient is φ = 88689400800.

The previous prime is 133212302021. The next prime is 133212302051. The reversal of 133212302031 is 130203212331.

It is not a de Polignac number, because 133212302031 - 2⁶ = 133212301967 is a prime.

It is a super-2 number, since 2×133212302031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133212301989 and 133212302007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133212302011) 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, 7695496 + ... + 7712786.

It is an arithmetic number, because the mean of its divisors is an integer number (11115885528).

Almost surely, 2^133212302031 is an apocalyptic number.

133212302031 is a deficient number, since it is larger than the sum of its proper divisors (44641866417).

133212302031 is a wasteful number, since it uses less digits than its factorization.

133212302031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20582.

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

Adding to 133212302031 its reverse (130203212331), we get a palindrome (263415514362).

The spelling of 133212302031 in words is "one hundred thirty-three billion, two hundred twelve million, three hundred two thousand, thirty-one".