131012144223421 has 32 divisors (see below), whose sum is σ = 146060927400960. Its totient is φ = 116940742212096.

The previous prime is 131012144223413. The next prime is 131012144223439. The reversal of 131012144223421 is 124322441210131.

It is a cyclic number.

It is not a de Polignac number, because 131012144223421 - 2³ = 131012144223413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012144224421) 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, 470286445 + ... + 470564941.

It is an arithmetic number, because the mean of its divisors is an integer number (4564403981280).

Almost surely, 2^{131012144223421} is an apocalyptic number.

It is an amenable number.

131012144223421 is a deficient number, since it is larger than the sum of its proper divisors (15048783177539).

131012144223421 is a wasteful number, since it uses less digits than its factorization.

131012144223421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294673.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 131012144223421 its reverse (124322441210131), we get a palindrome (255334585433552).

The spelling of 131012144223421 in words is "one hundred thirty-one trillion, twelve billion, one hundred forty-four million, two hundred twenty-three thousand, four hundred twenty-one".