101231022313 has 4 divisors (see below), whose sum is σ = 102368449620. Its totient is φ = 100093595008.

The previous prime is 101231022311. The next prime is 101231022329. The reversal of 101231022313 is 313220132101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61363712089 + 39867310224 = 247717^2 + 199668^2 .

It is a cyclic number.

It is not a de Polignac number, because 101231022313 - 2¹ = 101231022311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101231022311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568713520 + ... + 568713697.

It is an arithmetic number, because the mean of its divisors is an integer number (25592112405).

Almost surely, 2^101231022313 is an apocalyptic number.

It is an amenable number.

101231022313 is a deficient number, since it is larger than the sum of its proper divisors (1137427307).

101231022313 is an equidigital number, since it uses as much as digits as its factorization.

101231022313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137427306.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 101231022313 its reverse (313220132101), we get a palindrome (414451154414).

The spelling of 101231022313 in words is "one hundred one billion, two hundred thirty-one million, twenty-two thousand, three hundred thirteen".