23331131032 has 32 divisors (see below), whose sum is σ = 47795968080. Its totient is φ = 10588792960.

The previous prime is 23331131029. The next prime is 23331131059. The reversal of 23331131032 is 23013113332.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 23331130994 and 23331131012.

It is a congruent number.

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, 145543 + ... + 260470.

Almost surely, 2^23331131032 is an apocalyptic number.

23331131032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23331131032 is an abundant number, since it is smaller than the sum of its proper divisors (24464837048).

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

23331131032 is a wasteful number, since it uses less digits than its factorization.

23331131032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406683 (or 406679 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23331131032 its reverse (23013113332), we get a palindrome (46344244364).

The spelling of 23331131032 in words is "twenty-three billion, three hundred thirty-one million, one hundred thirty-one thousand, thirty-two".