122023311031 has 4 divisors (see below), whose sum is σ = 122029353864. Its totient is φ = 122017268200.

The previous prime is 122023311029. The next prime is 122023311037. The reversal of 122023311031 is 130113320221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130113320221 = 29531 ⋅4405991.

It is a cyclic number.

It is not a de Polignac number, because 122023311031 - 2¹ = 122023311029 is a prime.

It is a super-2 number, since 2×122023311031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122023311037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2991025 + ... + 3031546.

It is an arithmetic number, because the mean of its divisors is an integer number (30507338466).

Almost surely, 2^122023311031 is an apocalyptic number.

122023311031 is a deficient number, since it is larger than the sum of its proper divisors (6042833).

122023311031 is an equidigital number, since it uses as much as digits as its factorization.

122023311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6042832.

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

Adding to 122023311031 its reverse (130113320221), we get a palindrome (252136631252).

It can be divided in two parts, 12202 and 3311031, that added together give a palindrome (3323233).

The spelling of 122023311031 in words is "one hundred twenty-two billion, twenty-three million, three hundred eleven thousand, thirty-one".