133012121031 has 40 divisors (see below), whose sum is σ = 218248609920. Its totient is φ = 80355127248.

The previous prime is 133012121029. The next prime is 133012121083. The reversal of 133012121031 is 130121210331.

133012121031 is a `hidden beast` number, since 1 + 330 + 121 + 210 + 3 + 1 = 666.

It is not a de Polignac number, because 133012121031 - 2¹ = 133012121029 is a prime.

It is a super-2 number, since 2×133012121031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133012120995 and 133012121013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133012121131) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1843465 + ... + 1914258.

It is an arithmetic number, because the mean of its divisors is an integer number (5456215248).

Almost surely, 2^133012121031 is an apocalyptic number.

133012121031 is a deficient number, since it is larger than the sum of its proper divisors (85236488889).

133012121031 is a wasteful number, since it uses less digits than its factorization.

133012121031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3757777 (or 3757768 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 133012121031 its reverse (130121210331), we get a palindrome (263133331362).

The spelling of 133012121031 in words is "one hundred thirty-three billion, twelve million, one hundred twenty-one thousand, thirty-one".