1355001431 has 8 divisors (see below), whose sum is σ = 1548796704. Its totient is φ = 1161262080.

The previous prime is 1355001421. The next prime is 1355001437. The reversal of 1355001431 is 1341005531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1355001431 - 2¹⁰ = 1355000407 is a prime.

It is a super-2 number, since 2×1355001431² = 3672057756024095522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1355001397 and 1355001406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355001437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80831 + ... + 96143.

It is an arithmetic number, because the mean of its divisors is an integer number (193599588).

Almost surely, 2^1355001431 is an apocalyptic number.

1355001431 is a deficient number, since it is larger than the sum of its proper divisors (193795273).

1355001431 is a wasteful number, since it uses less digits than its factorization.

1355001431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27961.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1355001431 is about 36810.3440760882. The cubic root of 1355001431 is about 1106.5726141925.

Adding to 1355001431 its reverse (1341005531), we get a palindrome (2696006962).

The spelling of 1355001431 in words is "one billion, three hundred fifty-five million, one thousand, four hundred thirty-one".