31002112010 has 8 divisors (see below), whose sum is σ = 55803801636. Its totient is φ = 12400844800.

The previous prime is 31002111989. The next prime is 31002112021. The reversal of 31002112010 is 1021120013.

It can be written as a sum of positive squares in 2 ways, for example, as 26514585889 + 4487526121 = 162833^2 + 66989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31002112010² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31002111982 and 31002112000.

It is an unprimeable number.

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, 1550105591 + ... + 1550105610.

Almost surely, 2^31002112010 is an apocalyptic number.

31002112010 is a deficient number, since it is larger than the sum of its proper divisors (24801689626).

31002112010 is a wasteful number, since it uses less digits than its factorization.

31002112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100211208.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 31002112010 its reverse (1021120013), we get a palindrome (32023232023).

The spelling of 31002112010 in words is "thirty-one billion, two million, one hundred twelve thousand, ten".