30203100312231 has 128 divisors (see below), whose sum is σ = 53552267458560. Its totient is φ = 14658726297600.

The previous prime is 30203100312211. The next prime is 30203100312233. The reversal of 30203100312231 is 13221300130203.

It is not a de Polignac number, because 30203100312231 - 2¹⁹ = 30203099787943 is a prime.

It is a super-2 number, since 2×30203100312231² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 30203100312198 and 30203100312207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203100312233) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 303008541 + ... + 303108201.

It is an arithmetic number, because the mean of its divisors is an integer number (418377089520).

Almost surely, 2^{30203100312231} is an apocalyptic number.

30203100312231 is a deficient number, since it is larger than the sum of its proper divisors (23349167146329).

30203100312231 is a wasteful number, since it uses less digits than its factorization.

30203100312231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100265.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30203100312231 its reverse (13221300130203), we get a palindrome (43424400442434).

The spelling of 30203100312231 in words is "thirty trillion, two hundred three billion, one hundred million, three hundred twelve thousand, two hundred thirty-one".