31010001313 has 8 divisors (see below), whose sum is σ = 32012547840. Its totient is φ = 30007593840.

The previous prime is 31010001311. The next prime is 31010001317. The reversal of 31010001313 is 31310001013.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31010001313 - 2¹ = 31010001311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31010001293 and 31010001302.

It is not an unprimeable number, because it can be changed into a prime (31010001311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606498 + ... + 655636.

It is an arithmetic number, because the mean of its divisors is an integer number (4001568480).

Almost surely, 2^31010001313 is an apocalyptic number.

It is an amenable number.

31010001313 is a deficient number, since it is larger than the sum of its proper divisors (1002546527).

31010001313 is a wasteful number, since it uses less digits than its factorization.

31010001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69527.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 31010001313 its reverse (31310001013), we get a palindrome (62320002326).

The spelling of 31010001313 in words is "thirty-one billion, ten million, one thousand, three hundred thirteen".