231604562046 has 64 divisors (see below), whose sum is σ = 558897647616. Its totient is φ = 63033552000.

The previous prime is 231604561973. The next prime is 231604562047. The reversal of 231604562046 is 640265406132.

It is a super-2 number, since 2×231604562046² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 231604561995 and 231604562013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231604562047) 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, 3616030 + ... + 3679521.

It is an arithmetic number, because the mean of its divisors is an integer number (8732775744).

Almost surely, 2^231604562046 is an apocalyptic number.

231604562046 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

231604562046 is an abundant number, since it is smaller than the sum of its proper divisors (327293085570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231604562046 is a wasteful number, since it uses less digits than its factorization.

231604562046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7295617.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 231604562046 its reverse (640265406132), we get a palindrome (871869968178).

The spelling of 231604562046 in words is "two hundred thirty-one billion, six hundred four million, five hundred sixty-two thousand, forty-six".