31142222224148 has 24 divisors (see below), whose sum is σ = 62855861376000. Its totient is φ = 13224220183008.

The previous prime is 31142222224147. The next prime is 31142222224181. The reversal of 31142222224148 is 84142222224113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31142222224147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5101933748 + ... + 5101939851.

It is an arithmetic number, because the mean of its divisors is an integer number (2618994224000).

Almost surely, 2^{31142222224148} is an apocalyptic number.

It is an amenable number.

31142222224148 is an abundant number, since it is smaller than the sum of its proper divisors (31713639151852).

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

31142222224148 is a wasteful number, since it uses less digits than its factorization.

31142222224148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10203873719 (or 10203873717 counting only the distinct ones).

The product of its digits is 98304, while the sum is 38.

The spelling of 31142222224148 in words is "thirty-one trillion, one hundred forty-two billion, two hundred twenty-two million, two hundred twenty-four thousand, one hundred forty-eight".