1342640462431 has 4 divisors (see below), whose sum is σ = 1343009019592. Its totient is φ = 1342271905272.

The previous prime is 1342640462407. The next prime is 1342640462437.

1342640462431 is nontrivially palindromic in base 10.

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 1342640462431 - 2⁹ = 1342640461919 is a prime.

It is a super-2 number, since 2×1342640462431² (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 (1342640462437) 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, 184273116 + ... + 184280401.

It is an arithmetic number, because the mean of its divisors is an integer number (335752254898).

Almost surely, 2^{1342640462431} is an apocalyptic number.

1342640462431 is a deficient number, since it is larger than the sum of its proper divisors (368557161).

1342640462431 is an equidigital number, since it uses as much as digits as its factorization.

1342640462431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368557160.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 1342640462431 in words is "one trillion, three hundred forty-two billion, six hundred forty million, four hundred sixty-two thousand, four hundred thirty-one".