102331142 has 8 divisors (see below), whose sum is σ = 157066536. Its totient is φ = 49975632.

The previous prime is 102331133. The next prime is 102331147. The reversal of 102331142 is 241133201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102331142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102331147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594863 + ... + 595034.

It is an arithmetic number, because the mean of its divisors is an integer number (19633317).

Almost surely, 2^102331142 is an apocalyptic number.

102331142 is a deficient number, since it is larger than the sum of its proper divisors (54735394).

102331142 is a wasteful number, since it uses less digits than its factorization.

102331142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189942.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 102331142 is about 10115.8856260834. The cubic root of 102331142 is about 467.7379489680.

Adding to 102331142 its reverse (241133201), we get a palindrome (343464343).

The spelling of 102331142 in words is "one hundred two million, three hundred thirty-one thousand, one hundred forty-two".