31350323061 has 12 divisors (see below), whose sum is σ = 45291576460. Its totient is φ = 20896626240.

The previous prime is 31350323027. The next prime is 31350323071. The reversal of 31350323061 is 16032305313.

It is a happy number.

31350323061 is a `hidden beast` number, since 3 + 1 + 350 + 3 + 2 + 306 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21168504036 + 10181819025 = 145494^2 + 100905^2 .

It is not a de Polignac number, because 31350323061 - 2¹⁴ = 31350306677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31350323071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243226 + ... + 349083.

Almost surely, 2^31350323061 is an apocalyptic number.

It is an amenable number.

31350323061 is a deficient number, since it is larger than the sum of its proper divisors (13941253399).

31350323061 is a wasteful number, since it uses less digits than its factorization.

31350323061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598196 (or 598193 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

Adding to 31350323061 its reverse (16032305313), we get a palindrome (47382628374).

The spelling of 31350323061 in words is "thirty-one billion, three hundred fifty million, three hundred twenty-three thousand, sixty-one".