31012300553 has 8 divisors (see below), whose sum is σ = 33595485000. Its totient is φ = 28626736944.

The previous prime is 31012300549. The next prime is 31012300559. The reversal of 31012300553 is 35500321013.

It can be written as a sum of positive squares in 4 ways, for example, as 3680606224 + 27331694329 = 60668^2 + 165323^2 .

It is not a de Polignac number, because 31012300553 - 2² = 31012300549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31012300559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7055678 + ... + 7060071.

It is an arithmetic number, because the mean of its divisors is an integer number (4199435625).

Almost surely, 2^31012300553 is an apocalyptic number.

It is an amenable number.

31012300553 is a deficient number, since it is larger than the sum of its proper divisors (2583184447).

31012300553 is an equidigital number, since it uses as much as digits as its factorization.

31012300553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14115788 (or 14115762 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 23.

Adding to 31012300553 its reverse (35500321013), we get a palindrome (66512621566).

The spelling of 31012300553 in words is "thirty-one billion, twelve million, three hundred thousand, five hundred fifty-three".