1370428231 has 2 divisors, whose sum is σ = 1370428232. Its totient is φ = 1370428230.

The previous prime is 1370428229. The next prime is 1370428243. The reversal of 1370428231 is 1328240731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1370428231 - 2¹ = 1370428229 is a prime.

It is a super-2 number, since 2×1370428231² = 3756147072643578722, which contains 22 as substring.

Together with 1370428229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1370428193 and 1370428202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1370428201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685214115 + 685214116.

It is an arithmetic number, because the mean of its divisors is an integer number (685214116).

Almost surely, 2^1370428231 is an apocalyptic number.

1370428231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370428231 is an equidigital number, since it uses as much as digits as its factorization.

1370428231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1370428231 is about 37019.2953876759. The cubic root of 1370428231 is about 1110.7562497889.

Adding to 1370428231 its reverse (1328240731), we get a palindrome (2698668962).

The spelling of 1370428231 in words is "one billion, three hundred seventy million, four hundred twenty-eight thousand, two hundred thirty-one".