31032313302103 has 16 divisors (see below), whose sum is σ = 31266562017600. Its totient is φ = 30798815293440.

The previous prime is 31032313302091. The next prime is 31032313302121. The reversal of 31032313302103 is 30120331323013.

It is a cyclic number.

It is not a de Polignac number, because 31032313302103 - 2⁵ = 31032313302071 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 (31032313309103) 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, 186551575 + ... + 186717847.

It is an arithmetic number, because the mean of its divisors is an integer number (1954160126100).

Almost surely, 2^{31032313302103} is an apocalyptic number.

31032313302103 is a deficient number, since it is larger than the sum of its proper divisors (234248715497).

31032313302103 is a wasteful number, since it uses less digits than its factorization.

31032313302103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168522.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 31032313302103 its reverse (30120331323013), we get a palindrome (61152644625116).

The spelling of 31032313302103 in words is "thirty-one trillion, thirty-two billion, three hundred thirteen million, three hundred two thousand, one hundred three".