231002213332 has 24 divisors (see below), whose sum is σ = 464214975840. Its totient is φ = 99474636960.

The previous prime is 231002213311. The next prime is 231002213357. The reversal of 231002213332 is 233312200132.

231002213332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138158383 + ... + 138160054.

It is an arithmetic number, because the mean of its divisors is an integer number (19342290660).

Almost surely, 2^231002213332 is an apocalyptic number.

231002213332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231002213332 is an abundant number, since it is smaller than the sum of its proper divisors (233212762508).

231002213332 is a wasteful number, since it uses less digits than its factorization.

231002213332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276318471 (or 276318469 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 231002213332 its reverse (233312200132), we get a palindrome (464314413464).

The spelling of 231002213332 in words is "two hundred thirty-one billion, two million, two hundred thirteen thousand, three hundred thirty-two".