231469077 has 32 divisors (see below), whose sum is σ = 381337600. Its totient is φ = 121912128.

The previous prime is 231469027. The next prime is 231469081. The reversal of 231469077 is 770964132.

It is not a de Polignac number, because 231469077 - 2¹⁹ = 230944789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231469027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6924 + ... + 22602.

It is an arithmetic number, because the mean of its divisors is an integer number (11916800).

Almost surely, 2^231469077 is an apocalyptic number.

It is an amenable number.

231469077 is a deficient number, since it is larger than the sum of its proper divisors (149868523).

231469077 is a wasteful number, since it uses less digits than its factorization.

231469077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15745.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 231469077 is about 15214.1078279339. The cubic root of 231469077 is about 613.9942819374.

It can be divided in two parts, 23146 and 9077, that added together give a palindrome (32223).

The spelling of 231469077 in words is "two hundred thirty-one million, four hundred sixty-nine thousand, seventy-seven".