30251231130102 has 128 divisors (see below), whose sum is σ = 63891727482240. Its totient is φ = 9535527321600.

The previous prime is 30251231130089. The next prime is 30251231130137. The reversal of 30251231130102 is 20103113215203.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5347572058 + ... + 5347577714.

It is an arithmetic number, because the mean of its divisors is an integer number (499154120955).

Almost surely, 2^{30251231130102} is an apocalyptic number.

30251231130102 is an abundant number, since it is smaller than the sum of its proper divisors (33640496352138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30251231130102 is a wasteful number, since it uses less digits than its factorization.

30251231130102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9026.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 30251231130102 its reverse (20103113215203), we get a palindrome (50354344345305).

The spelling of 30251231130102 in words is "thirty trillion, two hundred fifty-one billion, two hundred thirty-one million, one hundred thirty thousand, one hundred two".