131211234020001 has 8 divisors (see below), whose sum is σ = 175066281224800. Its totient is φ = 87415171414272.

The previous prime is 131211234019979. The next prime is 131211234020021. The reversal of 131211234020001 is 100020432112131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131211234020001 - 2¹⁷ = 131211233888929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131211234020001.

It is not an unprimeable number, because it can be changed into a prime (131211234020021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14746144576 + ... + 14746153473.

It is an arithmetic number, because the mean of its divisors is an integer number (21883285153100).

Almost surely, 2^{131211234020001} is an apocalyptic number.

It is an amenable number.

131211234020001 is a deficient number, since it is larger than the sum of its proper divisors (43855047204799).

131211234020001 is a wasteful number, since it uses less digits than its factorization.

131211234020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29492299535.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 131211234020001 its reverse (100020432112131), we get a palindrome (231231666132132).

The spelling of 131211234020001 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred thirty-four million, twenty thousand, one".