101013323291 has 2 divisors, whose sum is σ = 101013323292. Its totient is φ = 101013323290.

The previous prime is 101013323287. The next prime is 101013323351. The reversal of 101013323291 is 192323310101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101013323291 - 2² = 101013323287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101013323291.

It is not a weakly prime, because it can be changed into another prime (101013323261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50506661645 + 50506661646.

It is an arithmetic number, because the mean of its divisors is an integer number (50506661646).

Almost surely, 2^101013323291 is an apocalyptic number.

101013323291 is a deficient number, since it is larger than the sum of its proper divisors (1).

101013323291 is an equidigital number, since it uses as much as digits as its factorization.

101013323291 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 101013323291 its reverse (192323310101), we get a palindrome (293336633392).

The spelling of 101013323291 in words is "one hundred one billion, thirteen million, three hundred twenty-three thousand, two hundred ninety-one".