1342021131 has 12 divisors (see below), whose sum is σ = 2114700120. Its totient is φ = 813346080.

The previous prime is 1342021103. The next prime is 1342021141. The reversal of 1342021131 is 1311202431.

1342021131 is a `hidden beast` number, since 1 + 3 + 420 + 211 + 31 = 666.

It is not a de Polignac number, because 1342021131 - 2⁶ = 1342021067 is a prime.

It is a super-2 number, since 2×1342021131² = 3602041432101038322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1342021141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6777786 + ... + 6777983.

It is an arithmetic number, because the mean of its divisors is an integer number (176225010).

Almost surely, 2^1342021131 is an apocalyptic number.

1342021131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1342021131 is a deficient number, since it is larger than the sum of its proper divisors (772678989).

1342021131 is a wasteful number, since it uses less digits than its factorization.

1342021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13555786 (or 13555783 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1342021131 is about 36633.6065792054. The cubic root of 1342021131 is about 1103.0277825349.

Adding to 1342021131 its reverse (1311202431), we get a palindrome (2653223562).

The spelling of 1342021131 in words is "one billion, three hundred forty-two million, twenty-one thousand, one hundred thirty-one".