31314422352 has 80 divisors (see below), whose sum is σ = 85057555968. Its totient is φ = 9908046720.

The previous prime is 31314422317. The next prime is 31314422393. The reversal of 31314422352 is 25322441313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36363 + ... + 252885.

Almost surely, 2^31314422352 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 31314422352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42528777984).

31314422352 is an abundant number, since it is smaller than the sum of its proper divisors (53743133616).

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

31314422352 is a wasteful number, since it uses less digits than its factorization.

31314422352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216688 (or 216682 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 31314422352 its reverse (25322441313), we get a palindrome (56636863665).

The spelling of 31314422352 in words is "thirty-one billion, three hundred fourteen million, four hundred twenty-two thousand, three hundred fifty-two".