31200000001230 has 16 divisors (see below), whose sum is σ = 74880000003024. Its totient is φ = 8320000000320.

The previous prime is 31200000001229. The next prime is 31200000001241. The reversal of 31200000001230 is 3210000000213.

It is a happy number.

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, 519999999991 + ... + 520000000050.

It is an arithmetic number, because the mean of its divisors is an integer number (4680000000189).

Almost surely, 2^{31200000001230} is an apocalyptic number.

31200000001230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31200000001230 is an abundant number, since it is smaller than the sum of its proper divisors (43680000001794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31200000001230 is a wasteful number, since it uses less digits than its factorization.

31200000001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040000000051.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 31200000001230 its reverse (3210000000213), we get a palindrome (34410000001443).

The spelling of 31200000001230 in words is "thirty-one trillion, two hundred billion, one thousand, two hundred thirty".