31462243164 has 144 divisors (see below), whose sum is σ = 87378310656. Its totient is φ = 9466329600.

The previous prime is 31462243157. The next prime is 31462243177. The reversal of 31462243164 is 46134226413.

31462243164 is a `hidden beast` number, since 3 + 14 + 622 + 4 + 3 + 16 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57517539 + ... + 57518085.

It is an arithmetic number, because the mean of its divisors is an integer number (606793824).

Almost surely, 2^31462243164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31462243164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43689155328).

31462243164 is an abundant number, since it is smaller than the sum of its proper divisors (55916067492).

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

31462243164 is a wasteful number, since it uses less digits than its factorization.

31462243164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1331 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

Adding to 31462243164 its reverse (46134226413), we get a palindrome (77596469577).

The spelling of 31462243164 in words is "thirty-one billion, four hundred sixty-two million, two hundred forty-three thousand, one hundred sixty-four".