31010142132 has 36 divisors (see below), whose sum is σ = 78392233920. Its totient is φ = 10335990672.

The previous prime is 31010142101. The next prime is 31010142151. The reversal of 31010142132 is 23124101013.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 819543 + ... + 856545.

Almost surely, 2^31010142132 is an apocalyptic number.

It is an amenable number.

31010142132 is an abundant number, since it is smaller than the sum of its proper divisors (47382091788).

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

31010142132 is a wasteful number, since it uses less digits than its factorization.

31010142132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60292 (or 60287 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31010142132 its reverse (23124101013), we get a palindrome (54134243145).

The spelling of 31010142132 in words is "thirty-one billion, ten million, one hundred forty-two thousand, one hundred thirty-two".