31031030000133 has 24 divisors (see below), whose sum is σ = 45095263956288. Its totient is φ = 20561531360832.

The previous prime is 31031030000129. The next prime is 31031030000143. The reversal of 31031030000133 is 33100003013013.

31031030000133 is a `hidden beast` number, since 310 + 310 + 30 + 0 + 0 + 0 + 13 + 3 = 666.

It is not a de Polignac number, because 31031030000133 - 2² = 31031030000129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31031030000143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15000985 + ... + 16943777.

It is an arithmetic number, because the mean of its divisors is an integer number (1878969331512).

Almost surely, 2^{31031030000133} is an apocalyptic number.

It is an amenable number.

31031030000133 is a deficient number, since it is larger than the sum of its proper divisors (14064233956155).

31031030000133 is a wasteful number, since it uses less digits than its factorization.

31031030000133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953593 (or 1953590 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

Adding to 31031030000133 its reverse (33100003013013), we get a palindrome (64131033013146).

The spelling of 31031030000133 in words is "thirty-one trillion, thirty-one billion, thirty million, one hundred thirty-three", and thus it is an aban number.