31135042352 has 40 divisors (see below), whose sum is σ = 60639452160. Its totient is φ = 15486258240.

The previous prime is 31135042319. The next prime is 31135042361. The reversal of 31135042352 is 25324053113.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 6887549 + ... + 6892067.

It is an arithmetic number, because the mean of its divisors is an integer number (1515986304).

Almost surely, 2^31135042352 is an apocalyptic number.

It is an amenable number.

31135042352 is a deficient number, since it is larger than the sum of its proper divisors (29504409808).

31135042352 is a wasteful number, since it uses less digits than its factorization.

31135042352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681 (or 6675 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 31135042352 its reverse (25324053113), we get a palindrome (56459095465).

The spelling of 31135042352 in words is "thirty-one billion, one hundred thirty-five million, forty-two thousand, three hundred fifty-two".