210310142 has 16 divisors (see below), whose sum is σ = 360995712. Its totient is φ = 90016920.

The previous prime is 210310103. The next prime is 210310157. The reversal of 210310142 is 241013012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2093 + ... + 20615.

It is an arithmetic number, because the mean of its divisors is an integer number (22562232).

Almost surely, 2^210310142 is an apocalyptic number.

210310142 is a deficient number, since it is larger than the sum of its proper divisors (150685570).

210310142 is a wasteful number, since it uses less digits than its factorization.

210310142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19343.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 210310142 is about 14502.0737137831. The cubic root of 210310142 is about 594.6846640178.

Adding to 210310142 its reverse (241013012), we get a palindrome (451323154).

The spelling of 210310142 in words is "two hundred ten million, three hundred ten thousand, one hundred forty-two".