31130003214 has 16 divisors (see below), whose sum is σ = 69177785040. Its totient is φ = 10376667720.

The previous prime is 31130003189. The next prime is 31130003231. The reversal of 31130003214 is 41230003113.

31130003214 is a `hidden beast` number, since 311 + 30 + 0 + 0 + 321 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 288240717 + ... + 288240824.

It is an arithmetic number, because the mean of its divisors is an integer number (4323611565).

Almost surely, 2^31130003214 is an apocalyptic number.

31130003214 is an abundant number, since it is smaller than the sum of its proper divisors (38047781826).

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

31130003214 is a wasteful number, since it uses less digits than its factorization.

31130003214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576481552 (or 576481546 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31130003214 its reverse (41230003113), we get a palindrome (72360006327).

The spelling of 31130003214 in words is "thirty-one billion, one hundred thirty million, three thousand, two hundred fourteen".