131211234101000 has 32 divisors (see below), whose sum is σ = 307034287798680. Its totient is φ = 52484493640000.

The previous prime is 131211234100993. The next prime is 131211234101053. The reversal of 131211234101000 is 101432112131.

It can be written as a sum of positive squares in 4 ways, for example, as 9806580350116 + 121404653750884 = 3131546^2 + 11018378^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65605616051 + ... + 65605618050.

Almost surely, 2^{131211234101000} is an apocalyptic number.

131211234101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131211234101000 is an abundant number, since it is smaller than the sum of its proper divisors (175823053697680).

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

131211234101000 is a wasteful number, since it uses less digits than its factorization.

131211234101000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131211234122 (or 131211234108 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 131211234101000 its reverse (101432112131), we get a palindrome (131312666213131).

The spelling of 131211234101000 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred thirty-four million, one hundred one thousand".