31089103503301 has 2 divisors, whose sum is σ = 31089103503302. Its totient is φ = 31089103503300.

The previous prime is 31089103503299. The next prime is 31089103503397. The reversal of 31089103503301 is 10330530198013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30381603826401 + 707499676900 = 5511951^2 + 841130^2 .

It is an emirp because it is prime and its reverse (10330530198013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31089103503301 - 2¹ = 31089103503299 is a prime.

It is a super-2 number, since 2×31089103503301² (a number of 28 digits) contains 22 as substring.

Together with 31089103503299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31089103504301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15544551751650 + 15544551751651.

It is an arithmetic number, because the mean of its divisors is an integer number (15544551751651).

Almost surely, 2^{31089103503301} is an apocalyptic number.

It is an amenable number.

31089103503301 is a deficient number, since it is larger than the sum of its proper divisors (1).

31089103503301 is an equidigital number, since it uses as much as digits as its factorization.

31089103503301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 31089103503301 in words is "thirty-one trillion, eighty-nine billion, one hundred three million, five hundred three thousand, three hundred one".