31103130030001 has 16 divisors (see below), whose sum is σ = 32681168427600. Its totient is φ = 29573239449600.

The previous prime is 31103130029999. The next prime is 31103130030013. The reversal of 31103130030001 is 10003003130113.

It can be written as a sum of positive squares in 8 ways, for example, as 4473969510976 + 26629160519025 = 2115176^2 + 5160345^2 .

It is a cyclic number.

It is not a de Polignac number, because 31103130030001 - 2¹ = 31103130029999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31103130030701) 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, 56774536 + ... + 57319753.

It is an arithmetic number, because the mean of its divisors is an integer number (2042573026725).

Almost surely, 2^{31103130030001} is an apocalyptic number.

It is an amenable number.

31103130030001 is a deficient number, since it is larger than the sum of its proper divisors (1578038397599).

31103130030001 is a wasteful number, since it uses less digits than its factorization.

31103130030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114094500.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 31103130030001 its reverse (10003003130113), we get a palindrome (41106133160114).

The spelling of 31103130030001 in words is "thirty-one trillion, one hundred three billion, one hundred thirty million, thirty thousand, one".