142181024031 has 16 divisors (see below), whose sum is σ = 210652092000. Its totient is φ = 94781257344.

The previous prime is 142181024021. The next prime is 142181024047. The reversal of 142181024031 is 130420181241.

142181024031 is a `hidden beast` number, since 142 + 18 + 102 + 403 + 1 = 666.

It is not a de Polignac number, because 142181024031 - 2⁶ = 142181023967 is a prime.

It is a super-2 number, since 2×142181024031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 142181023986 and 142181024004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142181024021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280375 + ... + 602471.

It is an arithmetic number, because the mean of its divisors is an integer number (13165755750).

Almost surely, 2^142181024031 is an apocalyptic number.

142181024031 is a deficient number, since it is larger than the sum of its proper divisors (68471067969).

142181024031 is a wasteful number, since it uses less digits than its factorization.

142181024031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338455 (or 338449 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The spelling of 142181024031 in words is "one hundred forty-two billion, one hundred eighty-one million, twenty-four thousand, thirty-one".