31030142132 has 48 divisors (see below), whose sum is σ = 59491998720. Its totient is φ = 14044591200.

The previous prime is 31030142081. The next prime is 31030142153. The reversal of 31030142132 is 23124103013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15678719 + ... + 15680697.

It is an arithmetic number, because the mean of its divisors is an integer number (1239416640).

Almost surely, 2^31030142132 is an apocalyptic number.

It is an amenable number.

31030142132 is a deficient number, since it is larger than the sum of its proper divisors (28461856588).

31030142132 is a wasteful number, since it uses less digits than its factorization.

31030142132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332 (or 3330 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31030142132 its reverse (23124103013), we get a palindrome (54154245145).

The spelling of 31030142132 in words is "thirty-one billion, thirty million, one hundred forty-two thousand, one hundred thirty-two".