131231321410145 has 16 divisors (see below), whose sum is σ = 171807377088960. Its totient is φ = 95433379224000.

The previous prime is 131231321410141. The next prime is 131231321410151. The reversal of 131231321410145 is 541014123132131.

It is not a de Polignac number, because 131231321410145 - 2² = 131231321410141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131231321410141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94073831 + ... + 95458620.

It is an arithmetic number, because the mean of its divisors is an integer number (10737961068060).

Almost surely, 2^{131231321410145} is an apocalyptic number.

It is an amenable number.

131231321410145 is a deficient number, since it is larger than the sum of its proper divisors (40576055678815).

131231321410145 is a wasteful number, since it uses less digits than its factorization.

131231321410145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189545056.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 131231321410145 its reverse (541014123132131), we get a palindrome (672245444542276).

The spelling of 131231321410145 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, three hundred twenty-one million, four hundred ten thousand, one hundred forty-five".