31020123120230 has 32 divisors (see below), whose sum is σ = 56041051500000. Its totient is φ = 12362588439552.

The previous prime is 31020123120199. The next prime is 31020123120251. The reversal of 31020123120230 is 3202132102013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800849 + ... + 7917171.

It is an arithmetic number, because the mean of its divisors is an integer number (1751282859375).

Almost surely, 2^{31020123120230} is an apocalyptic number.

31020123120230 is a deficient number, since it is larger than the sum of its proper divisors (25020928379770).

31020123120230 is a wasteful number, since it uses less digits than its factorization.

31020123120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7117928.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31020123120230 its reverse (3202132102013), we get a palindrome (34222255222243).

The spelling of 31020123120230 in words is "thirty-one trillion, twenty billion, one hundred twenty-three million, one hundred twenty thousand, two hundred thirty".