1331301342 has 16 divisors (see below), whose sum is σ = 3042974592. Its totient is φ = 380371800.

The previous prime is 1331301337. The next prime is 1331301343. The reversal of 1331301342 is 2431031331.

It is a super-2 number, since 2×1331301342² = 3544726526422001928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331301343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15848784 + ... + 15848867.

It is an arithmetic number, because the mean of its divisors is an integer number (190185912).

Almost surely, 2^1331301342 is an apocalyptic number.

1331301342 is an abundant number, since it is smaller than the sum of its proper divisors (1711673250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331301342 is a wasteful number, since it uses less digits than its factorization.

1331301342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31697663.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1331301342 is about 36487.0023707073. The cubic root of 1331301342 is about 1100.0830080610.

Adding to 1331301342 its reverse (2431031331), we get a palindrome (3762332673).

The spelling of 1331301342 in words is "one billion, three hundred thirty-one million, three hundred one thousand, three hundred forty-two".