1375046831 has 2 divisors, whose sum is σ = 1375046832. Its totient is φ = 1375046830.

The previous prime is 1375046821. The next prime is 1375046851. The reversal of 1375046831 is 1386405731.

It is a weak prime.

It is an emirp because it is prime and its reverse (1386405731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1375046831 - 2¹⁸ = 1374784687 is a prime.

It is a super-2 number, since 2×1375046831² = 3781507574886285122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1375046821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687523415 + 687523416.

It is an arithmetic number, because the mean of its divisors is an integer number (687523416).

Almost surely, 2^1375046831 is an apocalyptic number.

1375046831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375046831 is an equidigital number, since it uses as much as digits as its factorization.

1375046831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1375046831 is about 37081.6238991768. The cubic root of 1375046831 is about 1112.0026695306.

The spelling of 1375046831 in words is "one billion, three hundred seventy-five million, forty-six thousand, eight hundred thirty-one".