2113121431302 has 32 divisors (see below), whose sum is σ = 4845228440832. Its totient is φ = 601844405664.

The previous prime is 2113121431301. The next prime is 2113121431307. The reversal of 2113121431302 is 2031341213112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113121431301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79343808 + ... + 79370435.

It is an arithmetic number, because the mean of its divisors is an integer number (151413388776).

Almost surely, 2^{2113121431302} is an apocalyptic number.

2113121431302 is an abundant number, since it is smaller than the sum of its proper divisors (2732107009530).

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

2113121431302 is a wasteful number, since it uses less digits than its factorization.

2113121431302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158714572.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 2113121431302 its reverse (2031341213112), we get a palindrome (4144462644414).

The spelling of 2113121431302 in words is "two trillion, one hundred thirteen billion, one hundred twenty-one million, four hundred thirty-one thousand, three hundred two".