31134324210 has 128 divisors (see below), whose sum is σ = 86870237184. Its totient is φ = 7065864960.

The previous prime is 31134324167. The next prime is 31134324227. The reversal of 31134324210 is 1242343113.

It is a happy number.

It is a super-2 number, since 2×31134324210² (a number of 22 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 313092 + ... + 400368.

It is an arithmetic number, because the mean of its divisors is an integer number (678673728).

Almost surely, 2^31134324210 is an apocalyptic number.

31134324210 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 31134324210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43435118592).

31134324210 is an abundant number, since it is smaller than the sum of its proper divisors (55735912974).

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

31134324210 is a wasteful number, since it uses less digits than its factorization.

31134324210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87368.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31134324210 its reverse (1242343113), we get a palindrome (32376667323).

The spelling of 31134324210 in words is "thirty-one billion, one hundred thirty-four million, three hundred twenty-four thousand, two hundred ten".