1331402102 has 16 divisors (see below), whose sum is σ = 2065688352. Its totient is φ = 643154880.

The previous prime is 1331402071. The next prime is 1331402129. The reversal of 1331402102 is 2012041331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70373 + ... + 87264.

It is an arithmetic number, because the mean of its divisors is an integer number (129105522).

Almost surely, 2^1331402102 is an apocalyptic number.

1331402102 is a deficient number, since it is larger than the sum of its proper divisors (734286250).

1331402102 is a wasteful number, since it uses less digits than its factorization.

1331402102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157783.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1331402102 is about 36488.3831102448. The cubic root of 1331402102 is about 1100.1107607478.

Adding to 1331402102 its reverse (2012041331), we get a palindrome (3343443433).

The spelling of 1331402102 in words is "one billion, three hundred thirty-one million, four hundred two thousand, one hundred two".