31103201013230 has 32 divisors (see below), whose sum is σ = 57935377211040. Its totient is φ = 12008315088000.

The previous prime is 31103201013173. The next prime is 31103201013239. The reversal of 31103201013230 is 3231010230113.

It is a super-2 number, since 2×31103201013230² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103201013239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16776896 + ... + 18538355.

It is an arithmetic number, because the mean of its divisors is an integer number (1810480537845).

Almost surely, 2^{31103201013230} is an apocalyptic number.

31103201013230 is a deficient number, since it is larger than the sum of its proper divisors (26832176197810).

31103201013230 is a wasteful number, since it uses less digits than its factorization.

31103201013230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35318324.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31103201013230 its reverse (3231010230113), we get a palindrome (34334211243343).

The spelling of 31103201013230 in words is "thirty-one trillion, one hundred three billion, two hundred one million, thirteen thousand, two hundred thirty".