31220224124230 has 16 divisors (see below), whose sum is σ = 56196887123520. Its totient is φ = 12487982160832.

The previous prime is 31220224124123. The next prime is 31220224124273. The reversal of 31220224124230 is 3242142202213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12210895 + ... + 14544634.

It is an arithmetic number, because the mean of its divisors is an integer number (3512305445220).

Almost surely, 2^{31220224124230} is an apocalyptic number.

31220224124230 is a deficient number, since it is larger than the sum of its proper divisors (24976662999290).

31220224124230 is a wasteful number, since it uses less digits than its factorization.

31220224124230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26872223.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 31220224124230 its reverse (3242142202213), we get a palindrome (34462366326443).

The spelling of 31220224124230 in words is "thirty-one trillion, two hundred twenty billion, two hundred twenty-four million, one hundred twenty-four thousand, two hundred thirty".