31121300102 has 8 divisors (see below), whose sum is σ = 46689765336. Its totient is φ = 15558044992.

The previous prime is 31121300101. The next prime is 31121300107. The reversal of 31121300102 is 20100312113.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31121300101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287563 + ... + 1311510.

It is an arithmetic number, because the mean of its divisors is an integer number (5836220667).

Almost surely, 2^31121300102 is an apocalyptic number.

31121300102 is a deficient number, since it is larger than the sum of its proper divisors (15568465234).

31121300102 is a wasteful number, since it uses less digits than its factorization.

31121300102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605062.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31121300102 its reverse (20100312113), we get a palindrome (51221612215).

The spelling of 31121300102 in words is "thirty-one billion, one hundred twenty-one million, three hundred thousand, one hundred two".