31051434352 has 20 divisors (see below), whose sum is σ = 61442201376. Its totient is φ = 15195382400.

The previous prime is 31051434343. The next prime is 31051434353. The reversal of 31051434352 is 25343415013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31051434353) 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 3 ways as a sum of consecutive naturals, for example, 20645149 + ... + 20646652.

Almost surely, 2^31051434352 is an apocalyptic number.

It is an amenable number.

31051434352 is a deficient number, since it is larger than the sum of its proper divisors (30390767024).

31051434352 is a wasteful number, since it uses less digits than its factorization.

31051434352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41291856 (or 41291850 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 31051434352 its reverse (25343415013), we get a palindrome (56394849365).

The spelling of 31051434352 in words is "thirty-one billion, fifty-one million, four hundred thirty-four thousand, three hundred fifty-two".