31010003212 has 24 divisors (see below), whose sum is σ = 57465525600. Its totient is φ = 14591466240.

The previous prime is 31010003203. The next prime is 31010003221. The reversal of 31010003212 is 21230001013.

It is an interprime number because it is at equal distance from previous prime (31010003203) and next prime (31010003221).

It is a junction number, because it is equal to n+sod(n) for n = 31010003192 and 31010003201.

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, 959289 + ... + 991087.

It is an arithmetic number, because the mean of its divisors is an integer number (2394396900).

Almost surely, 2^31010003212 is an apocalyptic number.

It is an amenable number.

31010003212 is a deficient number, since it is larger than the sum of its proper divisors (26455522388).

31010003212 is a wasteful number, since it uses less digits than its factorization.

31010003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46161 (or 46159 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 31010003212 its reverse (21230001013), we get a palindrome (52240004225).

The spelling of 31010003212 in words is "thirty-one billion, ten million, three thousand, two hundred twelve".