31212010002 has 16 divisors (see below), whose sum is σ = 63042080832. Its totient is φ = 10300993200.

The previous prime is 31212009967. The next prime is 31212010069. The reversal of 31212010002 is 20001021213.

It is a self number, because there is not a number n which added to its sum of digits gives 31212010002.

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, 25751878 + ... + 25753089.

It is an arithmetic number, because the mean of its divisors is an integer number (3940130052).

Almost surely, 2^31212010002 is an apocalyptic number.

31212010002 is an abundant number, since it is smaller than the sum of its proper divisors (31830070830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31212010002 is a wasteful number, since it uses less digits than its factorization.

31212010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51505073.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 31212010002 its reverse (20001021213), we get a palindrome (51213031215).

The spelling of 31212010002 in words is "thirty-one billion, two hundred twelve million, ten thousand, two".