231111301004 has 24 divisors (see below), whose sum is σ = 432650458800. Its totient is φ = 107637037056.

The previous prime is 231111300997. The next prime is 231111301027. The reversal of 231111301004 is 400103111132.

It is a super-2 number, since 2×231111301004² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17512454 + ... + 17525645.

It is an arithmetic number, because the mean of its divisors is an integer number (18027102450).

Almost surely, 2^231111301004 is an apocalyptic number.

It is an amenable number.

231111301004 is a deficient number, since it is larger than the sum of its proper divisors (201539157796).

231111301004 is a wasteful number, since it uses less digits than its factorization.

231111301004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35038217 (or 35038215 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 231111301004 its reverse (400103111132), we get a palindrome (631214412136).

The spelling of 231111301004 in words is "two hundred thirty-one billion, one hundred eleven million, three hundred one thousand, four".