31030012303230 has 32 divisors (see below), whose sum is σ = 74671686470304. Its totient is φ = 8252485842816.

The previous prime is 31030012303201. The next prime is 31030012303237. The reversal of 31030012303230 is 3230321003013.

It is a junction number, because it is equal to n+sod(n) for n = 31030012303197 and 31030012303206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030012303237) 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, 1386495169 + ... + 1386517548.

It is an arithmetic number, because the mean of its divisors is an integer number (2333490202197).

Almost surely, 2^{31030012303230} is an apocalyptic number.

31030012303230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31030012303230 is an abundant number, since it is smaller than the sum of its proper divisors (43641674167074).

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

31030012303230 is a wasteful number, since it uses less digits than its factorization.

31030012303230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773013100.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31030012303230 its reverse (3230321003013), we get a palindrome (34260333306243).

The spelling of 31030012303230 in words is "thirty-one trillion, thirty billion, twelve million, three hundred three thousand, two hundred thirty".