1342887931 has 8 divisors (see below), whose sum is σ = 1674249984. Its totient is φ = 1046406120.

The previous prime is 1342887911. The next prime is 1342887983. The reversal of 1342887931 is 1397882431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1342887931 - 2¹¹ = 1342885883 is a prime.

It is a super-2 number, since 2×1342887931² = 3606695990450921522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1342887911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8719975 + ... + 8720128.

It is an arithmetic number, because the mean of its divisors is an integer number (209281248).

Almost surely, 2^1342887931 is an apocalyptic number.

1342887931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1342887931 is a deficient number, since it is larger than the sum of its proper divisors (331362053).

1342887931 is a wasteful number, since it uses less digits than its factorization.

1342887931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17440121.

The product of its digits is 290304, while the sum is 46.

The square root of 1342887931 is about 36645.4353364781. The cubic root of 1342887931 is about 1103.2652101697.

The spelling of 1342887931 in words is "one billion, three hundred forty-two million, eight hundred eighty-seven thousand, nine hundred thirty-one".