1343831890 has 16 divisors (see below), whose sum is σ = 2422131840. Its totient is φ = 536814000.

The previous prime is 1343831887. The next prime is 1343831903. The reversal of 1343831890 is 981383431.

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, 81960 + ... + 96979.

It is an arithmetic number, because the mean of its divisors is an integer number (151383240).

Almost surely, 2^1343831890 is an apocalyptic number.

1343831890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1343831890 is a deficient number, since it is larger than the sum of its proper divisors (1078299950).

1343831890 is a wasteful number, since it uses less digits than its factorization.

1343831890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179697.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1343831890 is about 36658.3126998502. The cubic root of 1343831890 is about 1103.5236564570.

The spelling of 1343831890 in words is "one billion, three hundred forty-three million, eight hundred thirty-one thousand, eight hundred ninety".