1303231212113 has 16 divisors (see below), whose sum is σ = 1375199130240. Its totient is φ = 1231604640000.

The previous prime is 1303231212029. The next prime is 1303231212139. The reversal of 1303231212113 is 3112121323031.

It is a cyclic number.

It is not a de Polignac number, because 1303231212113 - 2¹⁴ = 1303231195729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303231232113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12962588 + ... + 13062738.

It is an arithmetic number, because the mean of its divisors is an integer number (85949945640).

Almost surely, 2^{1303231212113} is an apocalyptic number.

It is an amenable number.

1303231212113 is a deficient number, since it is larger than the sum of its proper divisors (71967918127).

1303231212113 is a wasteful number, since it uses less digits than its factorization.

1303231212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101848.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1303231212113 its reverse (3112121323031), we get a palindrome (4415352535144).

The spelling of 1303231212113 in words is "one trillion, three hundred three billion, two hundred thirty-one million, two hundred twelve thousand, one hundred thirteen".