31323030230 has 64 divisors (see below), whose sum is σ = 61706852352. Its totient is φ = 11396421120.

The previous prime is 31323030173. The next prime is 31323030259. The reversal of 31323030230 is 3203032313.

It is a super-2 number, since 2×31323030230² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4354697 + ... + 4361883.

It is an arithmetic number, because the mean of its divisors is an integer number (964169568).

Almost surely, 2^31323030230 is an apocalyptic number.

31323030230 is a deficient number, since it is larger than the sum of its proper divisors (30383822122).

31323030230 is a wasteful number, since it uses less digits than its factorization.

31323030230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8069.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 31323030230 its reverse (3203032313), we get a palindrome (34526062543).

The spelling of 31323030230 in words is "thirty-one billion, three hundred twenty-three million, thirty thousand, two hundred thirty".