31552241460 has 96 divisors (see below), whose sum is σ = 89859998592. Its totient is φ = 8269969920.

The previous prime is 31552241437. The next prime is 31552241473. The reversal of 31552241460 is 6414225513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7416694 + ... + 7420946.

It is an arithmetic number, because the mean of its divisors is an integer number (936041652).

Almost surely, 2^31552241460 is an apocalyptic number.

31552241460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31552241460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44929999296).

31552241460 is an abundant number, since it is smaller than the sum of its proper divisors (58307757132).

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

31552241460 is a wasteful number, since it uses less digits than its factorization.

31552241460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6353 (or 6351 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 31552241460 its reverse (6414225513), we get a palindrome (37966466973).

The spelling of 31552241460 in words is "thirty-one billion, five hundred fifty-two million, two hundred forty-one thousand, four hundred sixty".