31010232016 has 40 divisors (see below), whose sum is σ = 60689240640. Its totient is φ = 15348834816.

The previous prime is 31010232013. The next prime is 31010232059. The reversal of 31010232016 is 61023201013.

It is a junction number, because it is equal to n+sod(n) for n = 31010231984 and 31010232002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010232013) by changing a digit.

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, 1506691 + ... + 1527133.

It is an arithmetic number, because the mean of its divisors is an integer number (1517231016).

Almost surely, 2^31010232016 is an apocalyptic number.

It is an amenable number.

31010232016 is a deficient number, since it is larger than the sum of its proper divisors (29679008624).

31010232016 is a wasteful number, since it uses less digits than its factorization.

31010232016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21403 (or 21397 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31010232016 its reverse (61023201013), we get a palindrome (92033433029).

The spelling of 31010232016 in words is "thirty-one billion, ten million, two hundred thirty-two thousand, sixteen".