142100331 has 8 divisors (see below), whose sum is σ = 200612304. Its totient is φ = 89160960.

The previous prime is 142100281. The next prime is 142100333. The reversal of 142100331 is 133001241.

142100331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-142100331 is a prime.

It is a super-2 number, since 2×142100331² = 40385008140619122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142100331.

It is not an unprimeable number, because it can be changed into a prime (142100333) 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, 1393090 + ... + 1393191.

It is an arithmetic number, because the mean of its divisors is an integer number (25076538).

Almost surely, 2^142100331 is an apocalyptic number.

142100331 is a deficient number, since it is larger than the sum of its proper divisors (58511973).

142100331 is a wasteful number, since it uses less digits than its factorization.

142100331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786301.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 142100331 is about 11920.5843397042. The cubic root of 142100331 is about 521.8331882837.

Adding to 142100331 its reverse (133001241), we get a palindrome (275101572).

The spelling of 142100331 in words is "one hundred forty-two million, one hundred thousand, three hundred thirty-one".