131211210331101 has 32 divisors (see below), whose sum is σ = 185224562362368. Its totient is φ = 82448498242880.

The previous prime is 131211210331073. The next prime is 131211210331127. The reversal of 131211210331101 is 101133012112131.

It is a cyclic number.

It is not a de Polignac number, because 131211210331101 - 2¹³ = 131211210322909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131211210331171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2060830 + ... + 16330016.

It is an arithmetic number, because the mean of its divisors is an integer number (5788267573824).

Almost surely, 2^{131211210331101} is an apocalyptic number.

It is an amenable number.

131211210331101 is a deficient number, since it is larger than the sum of its proper divisors (54013352031267).

131211210331101 is a wasteful number, since it uses less digits than its factorization.

131211210331101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14271161.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 131211210331101 its reverse (101133012112131), we get a palindrome (232344222443232).

The spelling of 131211210331101 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred ten million, three hundred thirty-one thousand, one hundred one".