1354261331 has 4 divisors (see below), whose sum is σ = 1361135952. Its totient is φ = 1347386712.

The previous prime is 1354261301. The next prime is 1354261333. The reversal of 1354261331 is 1331624531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1331624531 = 67 ⋅19874993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1354261331 is a prime.

It is a super-2 number, since 2×1354261331² = 3668047505283783122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1354261294 and 1354261303.

It is not an unprimeable number, because it can be changed into a prime (1354261333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3437015 + ... + 3437408.

It is an arithmetic number, because the mean of its divisors is an integer number (340283988).

Almost surely, 2^1354261331 is an apocalyptic number.

1354261331 is a deficient number, since it is larger than the sum of its proper divisors (6874621).

1354261331 is an equidigital number, since it uses as much as digits as its factorization.

1354261331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874620.

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

The square root of 1354261331 is about 36800.2898222283. The cubic root of 1354261331 is about 1106.3711079983.

Adding to 1354261331 its reverse (1331624531), we get a palindrome (2685885862).

The spelling of 1354261331 in words is "one billion, three hundred fifty-four million, two hundred sixty-one thousand, three hundred thirty-one".