31255122230 has 16 divisors (see below), whose sum is σ = 56494618560. Its totient is φ = 12449738112.

The previous prime is 31255122209. The next prime is 31255122259. The reversal of 31255122230 is 3222155213.

It is a happy number.

It is a super-2 number, since 2×31255122230² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31255122230.

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 7 ways as a sum of consecutive naturals, for example, 6536339 + ... + 6541118.

It is an arithmetic number, because the mean of its divisors is an integer number (3530913660).

Almost surely, 2^31255122230 is an apocalyptic number.

31255122230 is a deficient number, since it is larger than the sum of its proper divisors (25239496330).

31255122230 is a wasteful number, since it uses less digits than its factorization.

31255122230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13077703.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 31255122230 its reverse (3222155213), we get a palindrome (34477277443).

The spelling of 31255122230 in words is "thirty-one billion, two hundred fifty-five million, one hundred twenty-two thousand, two hundred thirty".