31000003023133 has 2 divisors, whose sum is σ = 31000003023134. Its totient is φ = 31000003023132.

The previous prime is 31000003023079. The next prime is 31000003023167. The reversal of 31000003023133 is 33132030000013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22623597806329 + 8376405216804 = 4756427^2 + 2894202^2 .

It is a cyclic number.

It is not a de Polignac number, because 31000003023133 - 2¹³ = 31000003014941 is a prime.

It is a super-2 number, since 2×31000003023133² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31000003023133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31000003026133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15500001511566 + 15500001511567.

It is an arithmetic number, because the mean of its divisors is an integer number (15500001511567).

Almost surely, 2^{31000003023133} is an apocalyptic number.

It is an amenable number.

31000003023133 is a deficient number, since it is larger than the sum of its proper divisors (1).

31000003023133 is an equidigital number, since it uses as much as digits as its factorization.

31000003023133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 31000003023133 its reverse (33132030000013), we get a palindrome (64132033023146).

The spelling of 31000003023133 in words is "thirty-one trillion, three million, twenty-three thousand, one hundred thirty-three".