31553302342 has 16 divisors (see below), whose sum is σ = 47776766400. Its totient is φ = 15627790080.

The previous prime is 31553302321. The next prime is 31553302349. The reversal of 31553302342 is 24320335513.

It is a super-2 number, since 2×31553302342² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31553302349) by changing a digit.

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, 914134 + ... + 948022.

It is an arithmetic number, because the mean of its divisors is an integer number (2986047900).

Almost surely, 2^31553302342 is an apocalyptic number.

31553302342 is a deficient number, since it is larger than the sum of its proper divisors (16223464058).

31553302342 is a wasteful number, since it uses less digits than its factorization.

31553302342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38271.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 31553302342 its reverse (24320335513), we get a palindrome (55873637855).

The spelling of 31553302342 in words is "thirty-one billion, five hundred fifty-three million, three hundred two thousand, three hundred forty-two".