13031202111144 has 128 divisors (see below), whose sum is σ = 39758316134400. Its totient is φ = 3478852581120.

The previous prime is 13031202111143. The next prime is 13031202111149. The reversal of 13031202111144 is 44111120213031.

It is a super-2 number, since 2×13031202111144² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13031202111143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42989502 + ... + 43291565.

It is an arithmetic number, because the mean of its divisors is an integer number (310611844800).

Almost surely, 2^{13031202111144} is an apocalyptic number.

13031202111144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13031202111144 is an abundant number, since it is smaller than the sum of its proper divisors (26727114023256).

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

13031202111144 is a wasteful number, since it uses less digits than its factorization.

13031202111144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86281143 (or 86281139 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 13031202111144 its reverse (44111120213031), we get a palindrome (57142322324175).

The spelling of 13031202111144 in words is "thirteen trillion, thirty-one billion, two hundred two million, one hundred eleven thousand, one hundred forty-four".