31120032021230 has 32 divisors (see below), whose sum is σ = 59772000967200. Its totient is φ = 11631308285952.

The previous prime is 31120032021191. The next prime is 31120032021241. The reversal of 31120032021230 is 3212023002113.

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, 1121832995 + ... + 1121860734.

It is an arithmetic number, because the mean of its divisors is an integer number (1867875030225).

Almost surely, 2^{31120032021230} is an apocalyptic number.

31120032021230 is a deficient number, since it is larger than the sum of its proper divisors (28651968945970).

31120032021230 is a wasteful number, since it uses less digits than its factorization.

31120032021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243693828.

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

Adding to 31120032021230 its reverse (3212023002113), we get a palindrome (34332055023343).

The spelling of 31120032021230 in words is "thirty-one trillion, one hundred twenty billion, thirty-two million, twenty-one thousand, two hundred thirty".