31214333142 has 24 divisors (see below), whose sum is σ = 67638444744. Its totient is φ = 10403640864.

The previous prime is 31214333113. The next prime is 31214333147. The reversal of 31214333142 is 24133341213.

It is a happy number.

31214333142 is a `hidden beast` number, since 312 + 1 + 4 + 33 + 314 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31214333147) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 83658 + ... + 263490.

It is an arithmetic number, because the mean of its divisors is an integer number (2818268531).

Almost surely, 2^31214333142 is an apocalyptic number.

31214333142 is an abundant number, since it is smaller than the sum of its proper divisors (36424111602).

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

31214333142 is a wasteful number, since it uses less digits than its factorization.

31214333142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189484 (or 189481 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 31214333142 its reverse (24133341213), we get a palindrome (55347674355).

The spelling of 31214333142 in words is "thirty-one billion, two hundred fourteen million, three hundred thirty-three thousand, one hundred forty-two".