20131023211302 has 32 divisors (see below), whose sum is σ = 40680387159552. Its totient is φ = 6640628730624.

The previous prime is 20131023211297. The next prime is 20131023211331. The reversal of 20131023211302 is 20311232013102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5893503 + ... + 8659989.

It is an arithmetic number, because the mean of its divisors is an integer number (1271262098736).

Almost surely, 2^{20131023211302} is an apocalyptic number.

20131023211302 is an abundant number, since it is smaller than the sum of its proper divisors (20549363948250).

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

20131023211302 is a wasteful number, since it uses less digits than its factorization.

20131023211302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779092.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20131023211302 its reverse (20311232013102), we get a palindrome (40442255224404).

The spelling of 20131023211302 in words is "twenty trillion, one hundred thirty-one billion, twenty-three million, two hundred eleven thousand, three hundred two".