303251023142 has 4 divisors (see below), whose sum is σ = 454876534716. Its totient is φ = 151625511570.

The previous prime is 303251023129. The next prime is 303251023151. The reversal of 303251023142 is 241320152303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241320152303 = 73 ⋅3305755511.

It is a super-2 number, since 2×303251023142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75812755784 + ... + 75812755787.

It is an arithmetic number, because the mean of its divisors is an integer number (113719133679).

Almost surely, 2^303251023142 is an apocalyptic number.

303251023142 is a deficient number, since it is larger than the sum of its proper divisors (151625511574).

303251023142 is a wasteful number, since it uses less digits than its factorization.

303251023142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151625511573.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 303251023142 its reverse (241320152303), we get a palindrome (544571175445).

The spelling of 303251023142 in words is "three hundred three billion, two hundred fifty-one million, twenty-three thousand, one hundred forty-two".