13351031 has 2 divisors, whose sum is σ = 13351032. Its totient is φ = 13351030.

The previous prime is 13350989. The next prime is 13351057. The reversal of 13351031 is 13015331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13351031 is a prime.

It is a super-2 number, since 2×13351031² = 356500057525922, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13351081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6675515 + 6675516.

It is an arithmetic number, because the mean of its divisors is an integer number (6675516).

Almost surely, 2^13351031 is an apocalyptic number.

13351031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13351031 is an equidigital number, since it uses as much as digits as its factorization.

13351031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 13351031 is about 3653.9062659023. The cubic root of 13351031 is about 237.2310884351.

Adding to 13351031 its reverse (13015331), we get a palindrome (26366362).

The spelling of 13351031 in words is "thirteen million, three hundred fifty-one thousand, thirty-one".