31133210331103 has 16 divisors (see below), whose sum is σ = 32440098862080. Its totient is φ = 29854756822176.

The previous prime is 31133210331089. The next prime is 31133210331121. The reversal of 31133210331103 is 30113301233113.

It is a cyclic number.

It is not a de Polignac number, because 31133210331103 - 2²⁵ = 31133176776671 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 (31133210331143) 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, 6784833 + ... + 10406746.

It is an arithmetic number, because the mean of its divisors is an integer number (2027506178880).

Almost surely, 2^{31133210331103} is an apocalyptic number.

31133210331103 is a deficient number, since it is larger than the sum of its proper divisors (1306888530977).

31133210331103 is a wasteful number, since it uses less digits than its factorization.

31133210331103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17192406.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 31133210331103 its reverse (30113301233113), we get a palindrome (61246511564216).

The spelling of 31133210331103 in words is "thirty-one trillion, one hundred thirty-three billion, two hundred ten million, three hundred thirty-one thousand, one hundred three".