31223220303101 has 4 divisors (see below), whose sum is σ = 31224364080000. Its totient is φ = 31222076526204.

The previous prime is 31223220303091. The next prime is 31223220303113. The reversal of 31223220303101 is 10130302232213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31223220303101 - 2¹⁴ = 31223220286717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31223220306101) 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, 571847501 + ... + 571902098.

It is an arithmetic number, because the mean of its divisors is an integer number (7806091020000).

Almost surely, 2^{31223220303101} is an apocalyptic number.

It is an amenable number.

31223220303101 is a deficient number, since it is larger than the sum of its proper divisors (1143776899).

31223220303101 is a wasteful number, since it uses less digits than its factorization.

31223220303101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143776898.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31223220303101 its reverse (10130302232213), we get a palindrome (41353522535314).

The spelling of 31223220303101 in words is "thirty-one trillion, two hundred twenty-three billion, two hundred twenty million, three hundred three thousand, one hundred one".