31130213341223 has 16 divisors (see below), whose sum is σ = 33821420304000. Its totient is φ = 28559205065952.

The previous prime is 31130213341151. The next prime is 31130213341259. The reversal of 31130213341223 is 32214331203113.

It is a cyclic number.

It is not a de Polignac number, because 31130213341223 - 2³⁴ = 31113033472039 is a prime.

It is a super-2 number, since 2×31130213341223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31130213341273) 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, 207163988 + ... + 207314201.

It is an arithmetic number, because the mean of its divisors is an integer number (2113838769000).

Almost surely, 2^{31130213341223} is an apocalyptic number.

31130213341223 is a deficient number, since it is larger than the sum of its proper divisors (2691206962777).

31130213341223 is a wasteful number, since it uses less digits than its factorization.

31130213341223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414478334.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 31130213341223 its reverse (32214331203113), we get a palindrome (63344544544336).

The spelling of 31130213341223 in words is "thirty-one trillion, one hundred thirty billion, two hundred thirteen million, three hundred forty-one thousand, two hundred twenty-three".