31430030231022 has 16 divisors (see below), whose sum is σ = 63207353615952. Its totient is φ = 10418794551360.

The previous prime is 31430030231021. The next prime is 31430030231057. The reversal of 31430030231022 is 22013203003413.

It is a junction number, because it is equal to n+sod(n) for n = 31430030230983 and 31430030231001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31430030231021) 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, 14470546903 + ... + 14470549074.

It is an arithmetic number, because the mean of its divisors is an integer number (3950459600997).

Almost surely, 2^{31430030231022} is an apocalyptic number.

31430030231022 is an abundant number, since it is smaller than the sum of its proper divisors (31777323384930).

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

31430030231022 is a wasteful number, since it uses less digits than its factorization.

31430030231022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28941096163.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31430030231022 its reverse (22013203003413), we get a palindrome (53443233234435).

The spelling of 31430030231022 in words is "thirty-one trillion, four hundred thirty billion, thirty million, two hundred thirty-one thousand, twenty-two".