1231335454401 has 48 divisors (see below), whose sum is σ = 2027486260800. Its totient is φ = 713852942976.

The previous prime is 1231335454339. The next prime is 1231335454417. The reversal of 1231335454401 is 1044545331321.

1231335454401 is a `hidden beast` number, since 1 + 2 + 31 + 33 + 54 + 544 + 0 + 1 = 666.

It is not a de Polignac number, because 1231335454401 - 2²² = 1231331260097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1231335454421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1149310 + ... + 1945143.

It is an arithmetic number, because the mean of its divisors is an integer number (42239297100).

Almost surely, 2^{1231335454401} is an apocalyptic number.

It is an amenable number.

1231335454401 is a deficient number, since it is larger than the sum of its proper divisors (796150806399).

1231335454401 is a wasteful number, since it uses less digits than its factorization.

1231335454401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094670 (or 3094667 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 1231335454401 in words is "one trillion, two hundred thirty-one billion, three hundred thirty-five million, four hundred fifty-four thousand, four hundred one".