31301102210012 has 6 divisors (see below), whose sum is σ = 54776928867528. Its totient is φ = 15650551105004.

The previous prime is 31301102209961. The next prime is 31301102210023. The reversal of 31301102210012 is 21001220110313.

It is a super-2 number, since 2×31301102210012² (a number of 28 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 as a sum of consecutive naturals, namely, 3912637776248 + ... + 3912637776255.

It is an arithmetic number, because the mean of its divisors is an integer number (9129488144588).

Almost surely, 2^{31301102210012} is an apocalyptic number.

It is an amenable number.

31301102210012 is a deficient number, since it is larger than the sum of its proper divisors (23475826657516).

31301102210012 is a wasteful number, since it uses less digits than its factorization.

31301102210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7825275552507 (or 7825275552505 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 31301102210012 its reverse (21001220110313), we get a palindrome (52302322320325).

The spelling of 31301102210012 in words is "thirty-one trillion, three hundred one billion, one hundred two million, two hundred ten thousand, twelve".