131200000031102 has 4 divisors (see below), whose sum is σ = 196800000046656. Its totient is φ = 65600000015550.

The previous prime is 131200000031081. The next prime is 131200000031117. The reversal of 131200000031102 is 201130000002131.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×131200000031102³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32800000007774 + ... + 32800000007777.

It is an arithmetic number, because the mean of its divisors is an integer number (49200000011664).

Almost surely, 2^{131200000031102} is an apocalyptic number.

131200000031102 is a deficient number, since it is larger than the sum of its proper divisors (65600000015554).

131200000031102 is an equidigital number, since it uses as much as digits as its factorization.

131200000031102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65600000015553.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 131200000031102 its reverse (201130000002131), we get a palindrome (332330000033233).

The spelling of 131200000031102 in words is "one hundred thirty-one trillion, two hundred billion, thirty-one thousand, one hundred two".