1354142247431 has 4 divisors (see below), whose sum is σ = 1354148673000. Its totient is φ = 1354135821864.

The previous prime is 1354142247427. The next prime is 1354142247449. The reversal of 1354142247431 is 1347422414531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1354142247431 - 2² = 1354142247427 is a prime.

It is a super-2 number, since 2×1354142247431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354142247421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2885561 + ... + 3321858.

It is an arithmetic number, because the mean of its divisors is an integer number (338537168250).

Almost surely, 2^{1354142247431} is an apocalyptic number.

1354142247431 is a deficient number, since it is larger than the sum of its proper divisors (6425569).

1354142247431 is an equidigital number, since it uses as much as digits as its factorization.

1354142247431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425568.

The product of its digits is 322560, while the sum is 41.

The spelling of 1354142247431 in words is "one trillion, three hundred fifty-four billion, one hundred forty-two million, two hundred forty-seven thousand, four hundred thirty-one".