31020123023022 has 16 divisors (see below), whose sum is σ = 70903138338432. Its totient is φ = 8862892292280.

The previous prime is 31020123022969. The next prime is 31020123023041. The reversal of 31020123023022 is 22032032102013.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 31020123023022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369287178804 + ... + 369287178887.

It is an arithmetic number, because the mean of its divisors is an integer number (4431446146152).

Almost surely, 2^{31020123023022} is an apocalyptic number.

31020123023022 is an abundant number, since it is smaller than the sum of its proper divisors (39883015315410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31020123023022 is a wasteful number, since it uses less digits than its factorization.

31020123023022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738574357703.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31020123023022 its reverse (22032032102013), we get a palindrome (53052155125035).

The spelling of 31020123023022 in words is "thirty-one trillion, twenty billion, one hundred twenty-three million, twenty-three thousand, twenty-two".