1631243371434 has 16 divisors (see below), whose sum is σ = 3434196571680. Its totient is φ = 515129485680.

The previous prime is 1631243371367. The next prime is 1631243371501. The reversal of 1631243371434 is 4341733421361.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1631243371367) and next prime (1631243371501).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7154576077 + ... + 7154576304.

It is an arithmetic number, because the mean of its divisors is an integer number (214637285730).

Almost surely, 2^{1631243371434} is an apocalyptic number.

1631243371434 is an abundant number, since it is smaller than the sum of its proper divisors (1802953200246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1631243371434 is a wasteful number, since it uses less digits than its factorization.

1631243371434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14309152405.

The product of its digits is 435456, while the sum is 42.

Adding to 1631243371434 its reverse (4341733421361), we get a palindrome (5972976792795).

The spelling of 1631243371434 in words is "one trillion, six hundred thirty-one billion, two hundred forty-three million, three hundred seventy-one thousand, four hundred thirty-four".