31422000210 has 64 divisors (see below), whose sum is σ = 78180111360. Its totient is φ = 8074045440.

The previous prime is 31422000187. The next prime is 31422000251. The reversal of 31422000210 is 1200022413.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 31422000210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144186 + ... + 289194.

It is an arithmetic number, because the mean of its divisors is an integer number (1221564240).

Almost surely, 2^31422000210 is an apocalyptic number.

31422000210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31422000210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39090055680).

31422000210 is an abundant number, since it is smaller than the sum of its proper divisors (46758111150).

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

31422000210 is a wasteful number, since it uses less digits than its factorization.

31422000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145283.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 31422000210 its reverse (1200022413), we get a palindrome (32622022623).

The spelling of 31422000210 in words is "thirty-one billion, four hundred twenty-two million, two hundred ten", and thus it is an aban number.