31120022323021 has 8 divisors (see below), whose sum is σ = 34383247170624. Its totient is φ = 28015979175360.

The previous prime is 31120022322971. The next prime is 31120022323141. The reversal of 31120022323021 is 12032322002113.

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

It is a cyclic number.

It is not a de Polignac number, because 31120022323021 - 2³³ = 31111432388429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31120022322983 and 31120022323001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31120022329021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39795424575 + ... + 39795425356.

It is an arithmetic number, because the mean of its divisors is an integer number (4297905896328).

Almost surely, 2^{31120022323021} is an apocalyptic number.

It is an amenable number.

31120022323021 is a deficient number, since it is larger than the sum of its proper divisors (3263224847603).

31120022323021 is a wasteful number, since it uses less digits than its factorization.

31120022323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79590849971.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31120022323021 its reverse (12032322002113), we get a palindrome (43152344325134).

The spelling of 31120022323021 in words is "thirty-one trillion, one hundred twenty billion, twenty-two million, three hundred twenty-three thousand, twenty-one".