231151738046 has 8 divisors (see below), whose sum is σ = 347328523200. Its totient is φ = 115375563648.

The previous prime is 231151737983. The next prime is 231151738057. The reversal of 231151738046 is 640837151132.

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

It is a super-2 number, since 2×231151738046² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231151737994 and 231151738012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100151246 + ... + 100153553.

It is an arithmetic number, because the mean of its divisors is an integer number (43416065400).

Almost surely, 2^231151738046 is an apocalyptic number.

231151738046 is a deficient number, since it is larger than the sum of its proper divisors (116176785154).

231151738046 is a wasteful number, since it uses less digits than its factorization.

231151738046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200305378.

The product of its (nonzero) digits is 120960, while the sum is 41.

Adding to 231151738046 its reverse (640837151132), we get a palindrome (871988889178).

The spelling of 231151738046 in words is "two hundred thirty-one billion, one hundred fifty-one million, seven hundred thirty-eight thousand, forty-six".