31423223010 has 32 divisors (see below), whose sum is σ = 75590744832. Its totient is φ = 8360080640.

The previous prime is 31423223003. The next prime is 31423223071. The reversal of 31423223010 is 1032232413.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 1202199 + ... + 1228058.

It is an arithmetic number, because the mean of its divisors is an integer number (2362210776).

Almost surely, 2^31423223010 is an apocalyptic number.

31423223010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31423223010 is an abundant number, since it is smaller than the sum of its proper divisors (44167521822).

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

31423223010 is a wasteful number, since it uses less digits than its factorization.

31423223010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430698.

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

Adding to 31423223010 its reverse (1032232413), we get a palindrome (32455455423).

The spelling of 31423223010 in words is "thirty-one billion, four hundred twenty-three million, two hundred twenty-three thousand, ten".