30302131010203 has 16 divisors (see below), whose sum is σ = 34684094798080. Its totient is φ = 26241757393824.

The previous prime is 30302131010197. The next prime is 30302131010243. The reversal of 30302131010203 is 30201013120303.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30302131010203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (30302131010243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595511901 + ... + 595562782.

It is an arithmetic number, because the mean of its divisors is an integer number (2167755924880).

Almost surely, 2^{30302131010203} is an apocalyptic number.

30302131010203 is a deficient number, since it is larger than the sum of its proper divisors (4381963787877).

30302131010203 is a wasteful number, since it uses less digits than its factorization.

30302131010203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191074818.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30302131010203 its reverse (30201013120303), we get a palindrome (60503144130506).

The spelling of 30302131010203 in words is "thirty trillion, three hundred two billion, one hundred thirty-one million, ten thousand, two hundred three".