231479377083 has 12 divisors (see below), whose sum is σ = 338939362840. Its totient is φ = 152205617376.

The previous prime is 231479377069. The next prime is 231479377091. The reversal of 231479377083 is 380773974132.

231479377083 is a `hidden beast` number, since 23 + 1 + 479 + 3 + 7 + 70 + 83 = 666.

It is not a de Polignac number, because 231479377083 - 2¹² = 231479372987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231479377093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176163253 + ... + 176164566.

Almost surely, 2^231479377083 is an apocalyptic number.

231479377083 is a deficient number, since it is larger than the sum of its proper divisors (107459985757).

231479377083 is a wasteful number, since it uses less digits than its factorization.

231479377083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352327898 (or 352327895 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 231479377083 in words is "two hundred thirty-one billion, four hundred seventy-nine million, three hundred seventy-seven thousand, eighty-three".