231620014437 has 16 divisors (see below), whose sum is σ = 358730765952. Its totient is φ = 130184550720.

The previous prime is 231620014331. The next prime is 231620014441. The reversal of 231620014437 is 734410026132.

It is not a de Polignac number, because 231620014437 - 2¹⁹ = 231619490149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231620014398 and 231620014407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231620014477) 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, 90404658 + ... + 90407219.

It is an arithmetic number, because the mean of its divisors is an integer number (22420672872).

Almost surely, 2^231620014437 is an apocalyptic number.

It is an amenable number.

231620014437 is a deficient number, since it is larger than the sum of its proper divisors (127110751515).

231620014437 is a wasteful number, since it uses less digits than its factorization.

231620014437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180811948.

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 231620014437 in words is "two hundred thirty-one billion, six hundred twenty million, fourteen thousand, four hundred thirty-seven".