1390254403331 has 2 divisors, whose sum is σ = 1390254403332. Its totient is φ = 1390254403330.

The previous prime is 1390254403309. The next prime is 1390254403337. The reversal of 1390254403331 is 1333044520931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1390254403331 - 2¹⁰ = 1390254402307 is a prime.

It is a super-2 number, since 2×1390254403331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1390254403337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695127201665 + 695127201666.

It is an arithmetic number, because the mean of its divisors is an integer number (695127201666).

Almost surely, 2^{1390254403331} is an apocalyptic number.

1390254403331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390254403331 is an equidigital number, since it uses as much as digits as its factorization.

1390254403331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 1390254403331 in words is "one trillion, three hundred ninety billion, two hundred fifty-four million, four hundred three thousand, three hundred thirty-one".