231278348345 has 8 divisors (see below), whose sum is σ = 302764383360. Its totient is φ = 168202435120.

The previous prime is 231278348333. The next prime is 231278348347. The reversal of 231278348345 is 543843872132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231278348345 - 2⁸ = 231278348089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231278348293 and 231278348302.

It is not an unprimeable number, because it can be changed into a prime (231278348347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2102530385 + ... + 2102530494.

It is an arithmetic number, because the mean of its divisors is an integer number (37845547920).

Almost surely, 2^231278348345 is an apocalyptic number.

It is an amenable number.

231278348345 is a deficient number, since it is larger than the sum of its proper divisors (71486035015).

231278348345 is a wasteful number, since it uses less digits than its factorization.

231278348345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205060895.

The product of its digits is 3870720, while the sum is 50.

The spelling of 231278348345 in words is "two hundred thirty-one billion, two hundred seventy-eight million, three hundred forty-eight thousand, three hundred forty-five".