1425656131431 has 16 divisors (see below), whose sum is σ = 2202187686144. Its totient is φ = 803500910784.

The previous prime is 1425656131421. The next prime is 1425656131469. The reversal of 1425656131431 is 1341316565241.

It is not a de Polignac number, because 1425656131431 - 2¹⁰ = 1425656130407 is a prime.

It is a super-2 number, since 2×1425656131431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425656131411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464987421 + ... + 464990486.

It is an arithmetic number, because the mean of its divisors is an integer number (137636730384).

Almost surely, 2^{1425656131431} is an apocalyptic number.

1425656131431 is a deficient number, since it is larger than the sum of its proper divisors (776531554713).

1425656131431 is an equidigital number, since it uses as much as digits as its factorization.

1425656131431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929977990.

The product of its digits is 259200, while the sum is 42.

The spelling of 1425656131431 in words is "one trillion, four hundred twenty-five billion, six hundred fifty-six million, one hundred thirty-one thousand, four hundred thirty-one".