131311232102002 has 16 divisors (see below), whose sum is σ = 198157753281600. Its totient is φ = 65258693162928.

The previous prime is 131311232101963. The next prime is 131311232102041. The reversal of 131311232102002 is 200201232113131.

It is an interprime number because it is at equal distance from previous prime (131311232101963) and next prime (131311232102041).

It is a super-2 number, since 2×131311232102002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5585433 + ... + 17141164.

It is an arithmetic number, because the mean of its divisors is an integer number (12384859580100).

Almost surely, 2^{131311232102002} is an apocalyptic number.

131311232102002 is a deficient number, since it is larger than the sum of its proper divisors (66846521179598).

131311232102002 is a wasteful number, since it uses less digits than its factorization.

131311232102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22744065.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 131311232102002 its reverse (200201232113131), we get a palindrome (331512464215133).

The spelling of 131311232102002 in words is "one hundred thirty-one trillion, three hundred eleven billion, two hundred thirty-two million, one hundred two thousand, two".