31103010010313 has 2 divisors, whose sum is σ = 31103010010314. Its totient is φ = 31103010010312.

The previous prime is 31103010010249. The next prime is 31103010010337. The reversal of 31103010010313 is 31301001030113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30965574467584 + 137435542729 = 5564672^2 + 370723^2 .

It is a cyclic number.

It is not a de Polignac number, because 31103010010313 - 2⁶ = 31103010010249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31103010010291 and 31103010010300.

It is not a weakly prime, because it can be changed into another prime (31103010010913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551505005156 + 15551505005157.

It is an arithmetic number, because the mean of its divisors is an integer number (15551505005157).

Almost surely, 2^{31103010010313} is an apocalyptic number.

It is an amenable number.

31103010010313 is a deficient number, since it is larger than the sum of its proper divisors (1).

31103010010313 is an equidigital number, since it uses as much as digits as its factorization.

31103010010313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 31103010010313 its reverse (31301001030113), we get a palindrome (62404011040426).

The spelling of 31103010010313 in words is "thirty-one trillion, one hundred three billion, ten million, ten thousand, three hundred thirteen".