31233213130 has 32 divisors (see below), whose sum is σ = 64335720960. Its totient is φ = 10694440320.

The previous prime is 31233213119. The next prime is 31233213149. The reversal of 31233213130 is 3131233213.

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, 239890 + ... + 346429.

It is an arithmetic number, because the mean of its divisors is an integer number (2010491280).

Almost surely, 2^31233213130 is an apocalyptic number.

31233213130 is an abundant number, since it is smaller than the sum of its proper divisors (33102507830).

31233213130 is a wasteful number, since it uses less digits than its factorization.

31233213130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587094.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31233213130 its reverse (3131233213), we get a palindrome (34364446343).

The spelling of 31233213130 in words is "thirty-one billion, two hundred thirty-three million, two hundred thirteen thousand, one hundred thirty".