131121312030102 has 64 divisors (see below), whose sum is σ = 270474683834880. Its totient is φ = 42349783392000.

The previous prime is 131121312030047. The next prime is 131121312030133. The reversal of 131121312030102 is 201030213121131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177523653 + ... + 178260735.

It is an arithmetic number, because the mean of its divisors is an integer number (4226166934920).

Almost surely, 2^{131121312030102} is an apocalyptic number.

131121312030102 is an abundant number, since it is smaller than the sum of its proper divisors (139353371804778).

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

131121312030102 is a wasteful number, since it uses less digits than its factorization.

131121312030102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742069.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 131121312030102 its reverse (201030213121131), we get a palindrome (332151525151233).

The spelling of 131121312030102 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, three hundred twelve million, thirty thousand, one hundred two".