1380353231 has 2 divisors, whose sum is σ = 1380353232. Its totient is φ = 1380353230.

The previous prime is 1380353153. The next prime is 1380353239. The reversal of 1380353231 is 1323530831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1380353231 - 2¹⁴ = 1380336847 is a prime.

It is a super-2 number, since 2×1380353231² = 3810750084664278722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1380353194 and 1380353203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380353239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690176615 + 690176616.

It is an arithmetic number, because the mean of its divisors is an integer number (690176616).

Almost surely, 2^1380353231 is an apocalyptic number.

1380353231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380353231 is an equidigital number, since it uses as much as digits as its factorization.

1380353231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1380353231 is about 37153.1052672586. The cubic root of 1380353231 is about 1113.4312649361.

The spelling of 1380353231 in words is "one billion, three hundred eighty million, three hundred fifty-three thousand, two hundred thirty-one".