31212003000313 has 32 divisors (see below), whose sum is σ = 34507879604352. Its totient is φ = 28110015360000.

The previous prime is 31212003000287. The next prime is 31212003000337. The reversal of 31212003000313 is 31300030021213.

It is a cyclic number.

It is not a de Polignac number, because 31212003000313 - 2²⁹ = 31211466129401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31212003000713) 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, 9797995 + ... + 12586687.

It is an arithmetic number, because the mean of its divisors is an integer number (1078371237636).

Almost surely, 2^{31212003000313} is an apocalyptic number.

It is an amenable number.

31212003000313 is a deficient number, since it is larger than the sum of its proper divisors (3295876604039).

31212003000313 is a wasteful number, since it uses less digits than its factorization.

31212003000313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789065.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31212003000313 its reverse (31300030021213), we get a palindrome (62512033021526).

The spelling of 31212003000313 in words is "thirty-one trillion, two hundred twelve billion, three million, three hundred thirteen", and thus it is an aban number.