1355445031 has 2 divisors, whose sum is σ = 1355445032. Its totient is φ = 1355445030.

The previous prime is 1355444999. The next prime is 1355445059. The reversal of 1355445031 is 1305445531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1355445031 - 2⁵ = 1355444999 is a prime.

It is a super-2 number, since 2×1355445031² = 3674462464125181922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1355444984 and 1355445002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355415031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677722515 + 677722516.

It is an arithmetic number, because the mean of its divisors is an integer number (677722516).

Almost surely, 2^1355445031 is an apocalyptic number.

1355445031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355445031 is an equidigital number, since it uses as much as digits as its factorization.

1355445031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1355445031 is about 36816.3690632306. The cubic root of 1355445031 is about 1106.6933574977.

It can be divided in two parts, 13554 and 45031, that added together give a palindrome (58585).

The spelling of 1355445031 in words is "one billion, three hundred fifty-five million, four hundred forty-five thousand, thirty-one".