1311051454 has 8 divisors (see below), whose sum is σ = 1975898088. Its totient is φ = 652418760.

The previous prime is 1311051437. The next prime is 1311051461. The reversal of 1311051454 is 4541501131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552957 + ... + 1553800.

It is an arithmetic number, because the mean of its divisors is an integer number (246987261).

Almost surely, 2^1311051454 is an apocalyptic number.

1311051454 is a deficient number, since it is larger than the sum of its proper divisors (664846634).

1311051454 is a wasteful number, since it uses less digits than its factorization.

1311051454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106970.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1311051454 is about 36208.4445122957. Note that the first 3 decimals coincide. The cubic root of 1311051454 is about 1094.4768471815.

Adding to 1311051454 its reverse (4541501131), we get a palindrome (5852552585).

The spelling of 1311051454 in words is "one billion, three hundred eleven million, fifty-one thousand, four hundred fifty-four".