31143000022022 has 16 divisors (see below), whose sum is σ = 56528470628640. Its totient is φ = 12561882361728.

The previous prime is 31143000022019. The next prime is 31143000022067. The reversal of 31143000022022 is 22022000034113.

It is a junction number, because it is equal to n+sod(n) for n = 31143000021985 and 31143000022003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65426470397 + ... + 65426470872.

It is an arithmetic number, because the mean of its divisors is an integer number (3533029414290).

Almost surely, 2^{31143000022022} is an apocalyptic number.

31143000022022 is a deficient number, since it is larger than the sum of its proper divisors (25385470606618).

31143000022022 is a wasteful number, since it uses less digits than its factorization.

31143000022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130852941295.

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

Adding to 31143000022022 its reverse (22022000034113), we get a palindrome (53165000056135).

The spelling of 31143000022022 in words is "thirty-one trillion, one hundred forty-three billion, twenty-two thousand, twenty-two".