30351111142 has 16 divisors (see below), whose sum is σ = 50820466752. Its totient is φ = 13475122920.

The previous prime is 30351111107. The next prime is 30351111179. The reversal of 30351111142 is 24111115303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 16040868 + ... + 16042759.

It is an arithmetic number, because the mean of its divisors is an integer number (3176279172).

Almost surely, 2^30351111142 is an apocalyptic number.

30351111142 is a deficient number, since it is larger than the sum of its proper divisors (20469355610).

30351111142 is a wasteful number, since it uses less digits than its factorization.

30351111142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32083683.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 30351111142 its reverse (24111115303), we get a palindrome (54462226445).

The spelling of 30351111142 in words is "thirty billion, three hundred fifty-one million, one hundred eleven thousand, one hundred forty-two".