1231501302053 has 8 divisors (see below), whose sum is σ = 1343464036896. Its totient is φ = 1119539912400.

The previous prime is 1231501302049. The next prime is 1231501302103. The reversal of 1231501302053 is 3502031051321.

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 1231501302053 - 2² = 1231501302049 is a prime.

It is a super-3 number, since 3×1231501302053³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231501302013) 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, 3143183 + ... + 3513203.

It is an arithmetic number, because the mean of its divisors is an integer number (167933004612).

Almost surely, 2^{1231501302053} is an apocalyptic number.

It is an amenable number.

1231501302053 is a deficient number, since it is larger than the sum of its proper divisors (111962734843).

1231501302053 is a wasteful number, since it uses less digits than its factorization.

1231501302053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672595.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 1231501302053 its reverse (3502031051321), we get a palindrome (4733532353374).

The spelling of 1231501302053 in words is "one trillion, two hundred thirty-one billion, five hundred one million, three hundred two thousand, fifty-three".