31350352052 has 24 divisors (see below), whose sum is σ = 58142878920. Its totient is φ = 14739768320.

The previous prime is 31350352043. The next prime is 31350352063. The reversal of 31350352052 is 25025305313.

It can be written as a sum of positive squares in 4 ways, for example, as 597118096 + 30753233956 = 24436^2 + 175366^2 .

It is a super-2 number, since 2×31350352052² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132449 + ... + 283272.

It is an arithmetic number, because the mean of its divisors is an integer number (2422619955).

Almost surely, 2^31350352052 is an apocalyptic number.

It is an amenable number.

31350352052 is a deficient number, since it is larger than the sum of its proper divisors (26792526868).

31350352052 is a wasteful number, since it uses less digits than its factorization.

31350352052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416851 (or 416849 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 29.

Adding to 31350352052 its reverse (25025305313), we get a palindrome (56375657365).

The spelling of 31350352052 in words is "thirty-one billion, three hundred fifty million, three hundred fifty-two thousand, fifty-two".