31130201203323 has 16 divisors (see below), whose sum is σ = 42695040734976. Its totient is φ = 20161159221600.

The previous prime is 31130201203273. The next prime is 31130201203351. The reversal of 31130201203323 is 32330210203113.

It is not a de Polignac number, because 31130201203323 - 2⁹ = 31130201202811 is a prime.

It is a super-4 number, since 4×31130201203323⁴ (a number of 55 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31130201203293 and 31130201203302.

It is not an unprimeable number, because it can be changed into a prime (31130201203723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218009703 + ... + 218152448.

It is an arithmetic number, because the mean of its divisors is an integer number (2668440045936).

Almost surely, 2^{31130201203323} is an apocalyptic number.

31130201203323 is a deficient number, since it is larger than the sum of its proper divisors (11564839531653).

31130201203323 is a wasteful number, since it uses less digits than its factorization.

31130201203323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436162834.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31130201203323 its reverse (32330210203113), we get a palindrome (63460411406436).

The spelling of 31130201203323 in words is "thirty-one trillion, one hundred thirty billion, two hundred one million, two hundred three thousand, three hundred twenty-three".