31302030200230 has 32 divisors (see below), whose sum is σ = 56467369461888. Its totient is φ = 12493321276800.

The previous prime is 31302030200131. The next prime is 31302030200299. The reversal of 31302030200230 is 3200203020313.

It is a happy number.

It is a super-2 number, since 2×31302030200230² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31302030200198 and 31302030200207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248937075 + ... + 249062785.

It is an arithmetic number, because the mean of its divisors is an integer number (1764605295684).

Almost surely, 2^{31302030200230} is an apocalyptic number.

31302030200230 is a deficient number, since it is larger than the sum of its proper divisors (25165339261658).

31302030200230 is a wasteful number, since it uses less digits than its factorization.

31302030200230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180192.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 31302030200230 its reverse (3200203020313), we get a palindrome (34502233220543).

The spelling of 31302030200230 in words is "thirty-one trillion, three hundred two billion, thirty million, two hundred thousand, two hundred thirty".