100311213293 has 2 divisors, whose sum is σ = 100311213294. Its totient is φ = 100311213292.

The previous prime is 100311213283. The next prime is 100311213307. The reversal of 100311213293 is 392312113001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73515815044 + 26795398249 = 271138^2 + 163693^2 .

It is an emirp because it is prime and its reverse (392312113001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100311213293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100311213283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50155606646 + 50155606647.

It is an arithmetic number, because the mean of its divisors is an integer number (50155606647).

Almost surely, 2^100311213293 is an apocalyptic number.

It is an amenable number.

100311213293 is a deficient number, since it is larger than the sum of its proper divisors (1).

100311213293 is an equidigital number, since it uses as much as digits as its factorization.

100311213293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 100311213293 its reverse (392312113001), we get a palindrome (492623326294).

The spelling of 100311213293 in words is "one hundred billion, three hundred eleven million, two hundred thirteen thousand, two hundred ninety-three".