31323023211022 has 8 divisors (see below), whose sum is σ = 46984561839072. Its totient is φ = 15661502598000.

The previous prime is 31323023211001. The next prime is 31323023211083. The reversal of 31323023211022 is 22011232032313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31323023211022² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380747 + ... + 8034457.

It is an arithmetic number, because the mean of its divisors is an integer number (5873070229884).

Almost surely, 2^{31323023211022} is an apocalyptic number.

31323023211022 is a deficient number, since it is larger than the sum of its proper divisors (15661538628050).

31323023211022 is a wasteful number, since it uses less digits than its factorization.

31323023211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9007514.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31323023211022 its reverse (22011232032313), we get a palindrome (53334255243335).

The spelling of 31323023211022 in words is "thirty-one trillion, three hundred twenty-three billion, twenty-three million, two hundred eleven thousand, twenty-two".