1402343111 has 16 divisors (see below), whose sum is σ = 1564503360. Its totient is φ = 1249551072.

The previous prime is 1402343087. The next prime is 1402343119. The reversal of 1402343111 is 1113432041.

It is a de Polignac number, because none of the positive numbers 2^k-1402343111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402343119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314846 + ... + 319268.

It is an arithmetic number, because the mean of its divisors is an integer number (97781460).

Almost surely, 2^1402343111 is an apocalyptic number.

1402343111 is a deficient number, since it is larger than the sum of its proper divisors (162160249).

1402343111 is an frugal number, since it uses more digits than its factorization.

1402343111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523 (or 4465 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1402343111 is about 37447.8719155041. The cubic root of 1402343111 is about 1119.3126924130.

Adding to 1402343111 its reverse (1113432041), we get a palindrome (2515775152).

The spelling of 1402343111 in words is "one billion, four hundred two million, three hundred forty-three thousand, one hundred eleven".