142403134311 has 6 divisors (see below), whose sum is σ = 205693416240. Its totient is φ = 94935422868.

The previous prime is 142403134277. The next prime is 142403134319. The reversal of 142403134311 is 113431304241.

142403134311 is a `hidden beast` number, since 14 + 24 + 0 + 313 + 4 + 311 = 666.

It is not a de Polignac number, because 142403134311 - 2³⁷ = 4964180839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142403134319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7911285231 + ... + 7911285248.

It is an arithmetic number, because the mean of its divisors is an integer number (34282236040).

Almost surely, 2^142403134311 is an apocalyptic number.

142403134311 is a deficient number, since it is larger than the sum of its proper divisors (63290281929).

142403134311 is a wasteful number, since it uses less digits than its factorization.

142403134311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15822570485 (or 15822570482 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 142403134311 its reverse (113431304241), we get a palindrome (255834438552).

The spelling of 142403134311 in words is "one hundred forty-two billion, four hundred three million, one hundred thirty-four thousand, three hundred eleven".