31153352345 has 8 divisors (see below), whose sum is σ = 37397189376. Its totient is φ = 24913904176.

The previous prime is 31153352327. The next prime is 31153352359. The reversal of 31153352345 is 54325335113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31153352345 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1081577 + ... + 1110006.

It is an arithmetic number, because the mean of its divisors is an integer number (4674648672).

Almost surely, 2^31153352345 is an apocalyptic number.

It is an amenable number.

31153352345 is a deficient number, since it is larger than the sum of its proper divisors (6243837031).

31153352345 is a wasteful number, since it uses less digits than its factorization.

31153352345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194431.

The product of its digits is 81000, while the sum is 35.

Adding to 31153352345 its reverse (54325335113), we get a palindrome (85478687458).

The spelling of 31153352345 in words is "thirty-one billion, one hundred fifty-three million, three hundred fifty-two thousand, three hundred forty-five".