1348857131 has 2 divisors, whose sum is σ = 1348857132. Its totient is φ = 1348857130.

The previous prime is 1348857119. The next prime is 1348857137. The reversal of 1348857131 is 1317588431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1348857131 - 2¹⁰ = 1348856107 is a prime.

It is a super-2 number, since 2×1348857131² = 3638831119699102322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1348857137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674428565 + 674428566.

It is an arithmetic number, because the mean of its divisors is an integer number (674428566).

Almost surely, 2^1348857131 is an apocalyptic number.

1348857131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348857131 is an equidigital number, since it uses as much as digits as its factorization.

1348857131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The square root of 1348857131 is about 36726.7903716075. The cubic root of 1348857131 is about 1104.8974826235.

The spelling of 1348857131 in words is "one billion, three hundred forty-eight million, eight hundred fifty-seven thousand, one hundred thirty-one".