30311341142 has 4 divisors (see below), whose sum is σ = 45467011716. Its totient is φ = 15155670570.

The previous prime is 30311341127. The next prime is 30311341147. The reversal of 30311341142 is 24114311303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24114311303 = 241 ⋅100059383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311341147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7577835284 + ... + 7577835287.

It is an arithmetic number, because the mean of its divisors is an integer number (11366752929).

Almost surely, 2^30311341142 is an apocalyptic number.

30311341142 is a deficient number, since it is larger than the sum of its proper divisors (15155670574).

30311341142 is a wasteful number, since it uses less digits than its factorization.

30311341142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155670573.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30311341142 its reverse (24114311303), we get a palindrome (54425652445).

The spelling of 30311341142 in words is "thirty billion, three hundred eleven million, three hundred forty-one thousand, one hundred forty-two".