31010313103 has 32 divisors (see below), whose sum is σ = 39425098752. Its totient is φ = 23691744000.

The previous prime is 31010313101. The next prime is 31010313107. The reversal of 31010313103 is 30131301013.

It is a cyclic number.

It is not a de Polignac number, because 31010313103 - 2¹ = 31010313101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010313101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 781675 + ... + 820387.

It is an arithmetic number, because the mean of its divisors is an integer number (1232034336).

Almost surely, 2^31010313103 is an apocalyptic number.

31010313103 is a deficient number, since it is larger than the sum of its proper divisors (8414785649).

31010313103 is a wasteful number, since it uses less digits than its factorization.

31010313103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38935.

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

Adding to 31010313103 its reverse (30131301013), we get a palindrome (61141614116).

The spelling of 31010313103 in words is "thirty-one billion, ten million, three hundred thirteen thousand, one hundred three".