131001111202 has 16 divisors (see below), whose sum is σ = 211641417792. Its totient is φ = 60455126160.

The previous prime is 131001111193. The next prime is 131001111209. The reversal of 131001111202 is 202111100131.

It is a happy number.

It is a super-2 number, since 2×131001111202² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (131001111209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53574 + ... + 514657.

It is an arithmetic number, because the mean of its divisors is an integer number (13227588612).

Almost surely, 2^131001111202 is an apocalyptic number.

131001111202 is a deficient number, since it is larger than the sum of its proper divisors (80640306590).

131001111202 is a wasteful number, since it uses less digits than its factorization.

131001111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577113.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 131001111202 its reverse (202111100131), we get a palindrome (333112211333).

The spelling of 131001111202 in words is "one hundred thirty-one billion, one million, one hundred eleven thousand, two hundred two".