31140201230 has 16 divisors (see below), whose sum is σ = 56058355584. Its totient is φ = 12454748640.

The previous prime is 31140201187. The next prime is 31140201271. The reversal of 31140201230 is 3210204113.

It is a junction number, because it is equal to n+sod(n) for n = 31140201199 and 31140201208.

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, 65357 + ... + 257976.

It is an arithmetic number, because the mean of its divisors is an integer number (3503647224).

Almost surely, 2^31140201230 is an apocalyptic number.

31140201230 is a deficient number, since it is larger than the sum of its proper divisors (24918154354).

31140201230 is a wasteful number, since it uses less digits than its factorization.

31140201230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332971.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31140201230 its reverse (3210204113), we get a palindrome (34350405343).

The spelling of 31140201230 in words is "thirty-one billion, one hundred forty million, two hundred one thousand, two hundred thirty".