31202230130 has 64 divisors (see below), whose sum is σ = 59729011200. Its totient is φ = 11717475840.

The previous prime is 31202230121. The next prime is 31202230133. The reversal of 31202230130 is 3103220213.

It is a junction number, because it is equal to n+sod(n) for n = 31202230099 and 31202230108.

It is not an unprimeable number, because it can be changed into a prime (31202230133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1492691 + ... + 1513449.

It is an arithmetic number, because the mean of its divisors is an integer number (933265800).

Almost surely, 2^31202230130 is an apocalyptic number.

31202230130 is a deficient number, since it is larger than the sum of its proper divisors (28526781070).

31202230130 is a wasteful number, since it uses less digits than its factorization.

31202230130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20939.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31202230130 its reverse (3103220213), we get a palindrome (34305450343).

The spelling of 31202230130 in words is "thirty-one billion, two hundred two million, two hundred thirty thousand, one hundred thirty".