101323213031 has 2 divisors, whose sum is σ = 101323213032. Its totient is φ = 101323213030.

The previous prime is 101323212959. The next prime is 101323213067. The reversal of 101323213031 is 130312323101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101323213031 - 2¹⁰ = 101323212007 is a prime.

It is a super-2 number, since 2×101323213031² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 101323212994 and 101323213012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101323213331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50661606515 + 50661606516.

It is an arithmetic number, because the mean of its divisors is an integer number (50661606516).

Almost surely, 2^101323213031 is an apocalyptic number.

101323213031 is a deficient number, since it is larger than the sum of its proper divisors (1).

101323213031 is an equidigital number, since it uses as much as digits as its factorization.

101323213031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 101323213031 its reverse (130312323101), we get a palindrome (231635536132).

The spelling of 101323213031 in words is "one hundred one billion, three hundred twenty-three million, two hundred thirteen thousand, thirty-one".