31113023211301 has 8 divisors (see below), whose sum is σ = 31623891275000. Its totient is φ = 30602181551040.

The previous prime is 31113023211239. The next prime is 31113023211307. The reversal of 31113023211301 is 10311232031113.

It can be written as a sum of positive squares in 4 ways, for example, as 1571515467201 + 29541507744100 = 1253601^2 + 5435210^2 .

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 31113023211301 - 2¹⁵ = 31113023178533 is a prime.

It is a super-2 number, since 2×31113023211301² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113023211307) 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, 4217766 + ... + 8945143.

It is an arithmetic number, because the mean of its divisors is an integer number (3952986409375).

Almost surely, 2^{31113023211301} is an apocalyptic number.

It is an amenable number.

31113023211301 is a deficient number, since it is larger than the sum of its proper divisors (510868063699).

31113023211301 is a wasteful number, since it uses less digits than its factorization.

31113023211301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13201719.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 31113023211301 its reverse (10311232031113), we get a palindrome (41424255242414).

The spelling of 31113023211301 in words is "thirty-one trillion, one hundred thirteen billion, twenty-three million, two hundred eleven thousand, three hundred one".