31202122132003 has 2 divisors, whose sum is σ = 31202122132004. Its totient is φ = 31202122132002.

The previous prime is 31202122131959. The next prime is 31202122132007. The reversal of 31202122132003 is 30023122120213.

It is a strong prime.

It is an emirp because it is prime and its reverse (30023122120213) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31202122132003 is a prime.

It is not a weakly prime, because it can be changed into another prime (31202122132007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15601061066001 + 15601061066002.

It is an arithmetic number, because the mean of its divisors is an integer number (15601061066002).

Almost surely, 2^{31202122132003} is an apocalyptic number.

31202122132003 is a deficient number, since it is larger than the sum of its proper divisors (1).

31202122132003 is an equidigital number, since it uses as much as digits as its factorization.

31202122132003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31202122132003 its reverse (30023122120213), we get a palindrome (61225244252216).

The spelling of 31202122132003 in words is "thirty-one trillion, two hundred two billion, one hundred twenty-two million, one hundred thirty-two thousand, three".