31102022423 has 4 divisors (see below), whose sum is σ = 31325778120. Its totient is φ = 30878266728.

The previous prime is 31102022417. The next prime is 31102022429. The reversal of 31102022423 is 32422020113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32422020113 = 7 ⋅4631717159.

It is an interprime number because it is at equal distance from previous prime (31102022417) and next prime (31102022429).

It is a cyclic number.

It is not a de Polignac number, because 31102022423 - 2¹⁶ = 31101956887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31102022395 and 31102022404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31102022429) 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, 111877640 + ... + 111877917.

It is an arithmetic number, because the mean of its divisors is an integer number (7831444530).

Almost surely, 2^31102022423 is an apocalyptic number.

31102022423 is a deficient number, since it is larger than the sum of its proper divisors (223755697).

31102022423 is a wasteful number, since it uses less digits than its factorization.

31102022423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223755696.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31102022423 its reverse (32422020113), we get a palindrome (63524042536).

The spelling of 31102022423 in words is "thirty-one billion, one hundred two million, twenty-two thousand, four hundred twenty-three".