31003210132 has 12 divisors (see below), whose sum is σ = 54601196020. Its totient is φ = 15402868416.

The previous prime is 31003210129. The next prime is 31003210153. The reversal of 31003210132 is 23101230013.

It can be written as a sum of positive squares in 2 ways, for example, as 10863059076 + 20140151056 = 104226^2 + 141916^2 .

It is a super-2 number, since 2×31003210132² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24683457 + ... + 24684712.

Almost surely, 2^31003210132 is an apocalyptic number.

It is an amenable number.

31003210132 is a deficient number, since it is larger than the sum of its proper divisors (23597985888).

31003210132 is a wasteful number, since it uses less digits than its factorization.

31003210132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49368330 (or 49368328 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31003210132 its reverse (23101230013), we get a palindrome (54104440145).

The spelling of 31003210132 in words is "thirty-one billion, three million, two hundred ten thousand, one hundred thirty-two".