310204142 has 4 divisors (see below), whose sum is σ = 465306216. Its totient is φ = 155102070.

The previous prime is 310204121. The next prime is 310204163. The reversal of 310204142 is 241402013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241402013 = 113 ⋅2136301.

It is an interprime number because it is at equal distance from previous prime (310204121) and next prime (310204163).

It is a self number, because there is not a number n which added to its sum of digits gives 310204142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77551034 + ... + 77551037.

It is an arithmetic number, because the mean of its divisors is an integer number (116326554).

Almost surely, 2^310204142 is an apocalyptic number.

310204142 is a deficient number, since it is larger than the sum of its proper divisors (155102074).

310204142 is a wasteful number, since it uses less digits than its factorization.

310204142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155102073.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 310204142 is about 17612.6131508076. The cubic root of 310204142 is about 676.9384730996.

Adding to 310204142 its reverse (241402013), we get a palindrome (551606155).

The spelling of 310204142 in words is "three hundred ten million, two hundred four thousand, one hundred forty-two".