31033402000133 has 16 divisors (see below), whose sum is σ = 34162440802560. Its totient is φ = 28011441550656.

The previous prime is 31033402000123. The next prime is 31033402000147. The reversal of 31033402000133 is 33100020433013.

It is a cyclic number.

It is not a de Polignac number, because 31033402000133 - 2¹⁶ = 31033401934597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31033402000099 and 31033402000108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31033402000123) 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, 22221935 + ... + 23577132.

It is an arithmetic number, because the mean of its divisors is an integer number (2135152550160).

Almost surely, 2^{31033402000133} is an apocalyptic number.

It is an amenable number.

31033402000133 is a deficient number, since it is larger than the sum of its proper divisors (3129038802427).

31033402000133 is a wasteful number, since it uses less digits than its factorization.

31033402000133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45800236.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31033402000133 its reverse (33100020433013), we get a palindrome (64133422433146).

The spelling of 31033402000133 in words is "thirty-one trillion, thirty-three billion, four hundred two million, one hundred thirty-three", and thus it is an aban number.