231432414013387 has 2 divisors, whose sum is σ = 231432414013388. Its totient is φ = 231432414013386.

The previous prime is 231432414013303. The next prime is 231432414013457. The reversal of 231432414013387 is 783310414234132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231432414013387 - 2⁷ = 231432414013259 is a prime.

It is a super-3 number, since 3×231432414013387³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (231432414043387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115716207006693 + 115716207006694.

It is an arithmetic number, because the mean of its divisors is an integer number (115716207006694).

Almost surely, 2^{231432414013387} is an apocalyptic number.

231432414013387 is a deficient number, since it is larger than the sum of its proper divisors (1).

231432414013387 is an equidigital number, since it uses as much as digits as its factorization.

231432414013387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 231432414013387 in words is "two hundred thirty-one trillion, four hundred thirty-two billion, four hundred fourteen million, thirteen thousand, three hundred eighty-seven".