131000042321300 has 18 divisors (see below), whose sum is σ = 284270091837438. Its totient is φ = 52400016928480.

The previous prime is 131000042321273. The next prime is 131000042321303. The reversal of 131000042321300 is 3123240000131.

It can be written as a sum of positive squares in 3 ways, for example, as 43335546684676 + 87664495636624 = 6582974^2 + 9362932^2 .

It is a super-2 number, since 2×131000042321300² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000042321303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 655000211507 + ... + 655000211706.

Almost surely, 2^{131000042321300} is an apocalyptic number.

131000042321300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131000042321300 is an abundant number, since it is smaller than the sum of its proper divisors (153270049516138).

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

131000042321300 is a wasteful number, since it uses less digits than its factorization.

131000042321300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310000423227 (or 1310000423220 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131000042321300 its reverse (3123240000131), we get a palindrome (134123282321431).

The spelling of 131000042321300 in words is "one hundred thirty-one trillion, forty-two million, three hundred twenty-one thousand, three hundred".