31379353351 has 2 divisors, whose sum is σ = 31379353352. Its totient is φ = 31379353350.

The previous prime is 31379353331. The next prime is 31379353361. The reversal of 31379353351 is 15335397313.

It is a strong prime.

It is an emirp because it is prime and its reverse (15335397313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31379353351 - 2¹¹ = 31379351303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31379353298 and 31379353307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31379353331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15689676675 + 15689676676.

It is an arithmetic number, because the mean of its divisors is an integer number (15689676676).

Almost surely, 2^31379353351 is an apocalyptic number.

31379353351 is a deficient number, since it is larger than the sum of its proper divisors (1).

31379353351 is an equidigital number, since it uses as much as digits as its factorization.

31379353351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 382725, while the sum is 43.

The spelling of 31379353351 in words is "thirty-one billion, three hundred seventy-nine million, three hundred fifty-three thousand, three hundred fifty-one".