31004214212 has 12 divisors (see below), whose sum is σ = 57113026320. Its totient is φ = 14686206696.

The previous prime is 31004214211. The next prime is 31004214223. The reversal of 31004214212 is 21241240013.

It is a super-2 number, since 2×31004214212² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31004214211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203975018 + ... + 203975169.

It is an arithmetic number, because the mean of its divisors is an integer number (4759418860).

Almost surely, 2^31004214212 is an apocalyptic number.

It is an amenable number.

31004214212 is a deficient number, since it is larger than the sum of its proper divisors (26108812108).

31004214212 is a wasteful number, since it uses less digits than its factorization.

31004214212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407950210 (or 407950208 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31004214212 its reverse (21241240013), we get a palindrome (52245454225).

The spelling of 31004214212 in words is "thirty-one billion, four million, two hundred fourteen thousand, two hundred twelve".