231135742656419 has 4 divisors (see below), whose sum is σ = 237382654620144. Its totient is φ = 224888830692696.

The previous prime is 231135742656407. The next prime is 231135742656463. The reversal of 231135742656419 is 914656247531132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 231135742656419 - 2⁸ = 231135742656163 is a prime.

It is a super-2 number, since 2×231135742656419² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231135742656019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3123455981807 + ... + 3123455981880.

It is an arithmetic number, because the mean of its divisors is an integer number (59345663655036).

Almost surely, 2^{231135742656419} is an apocalyptic number.

231135742656419 is a deficient number, since it is larger than the sum of its proper divisors (6246911963725).

231135742656419 is an equidigital number, since it uses as much as digits as its factorization.

231135742656419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246911963724.

The product of its digits is 32659200, while the sum is 59.

The spelling of 231135742656419 in words is "two hundred thirty-one trillion, one hundred thirty-five billion, seven hundred forty-two million, six hundred fifty-six thousand, four hundred nineteen".