1342656131 has 4 divisors (see below), whose sum is σ = 1342994064. Its totient is φ = 1342318200.

The previous prime is 1342656127. The next prime is 1342656137. The reversal of 1342656131 is 1316562431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1316562431 = 193 ⋅6821567.

It is a cyclic number.

It is not a de Polignac number, because 1342656131 - 2² = 1342656127 is a prime.

It is a super-2 number, since 2×1342656131² = 3605450972223778322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342656137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162935 + ... + 170976.

It is an arithmetic number, because the mean of its divisors is an integer number (335748516).

Almost surely, 2^1342656131 is an apocalyptic number.

1342656131 is a deficient number, since it is larger than the sum of its proper divisors (337933).

1342656131 is an equidigital number, since it uses as much as digits as its factorization.

1342656131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337932.

The product of its digits is 12960, while the sum is 32.

The square root of 1342656131 is about 36642.2724595514. The cubic root of 1342656131 is about 1103.2017271876.

The spelling of 1342656131 in words is "one billion, three hundred forty-two million, six hundred fifty-six thousand, one hundred thirty-one".