1302201311231 has 16 divisors (see below), whose sum is σ = 1352847944448. Its totient is φ = 1252562692800.

The previous prime is 1302201311207. The next prime is 1302201311237. The reversal of 1302201311231 is 1321131022031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1302201311231 - 2⁶ = 1302201311167 is a prime.

It is a super-2 number, since 2×1302201311231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302201311237) 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, 279416 + ... + 1637826.

It is an arithmetic number, because the mean of its divisors is an integer number (84552996528).

Almost surely, 2^{1302201311231} is an apocalyptic number.

1302201311231 is a deficient number, since it is larger than the sum of its proper divisors (50646633217).

1302201311231 is a wasteful number, since it uses less digits than its factorization.

1302201311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358782.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1302201311231 its reverse (1321131022031), we get a palindrome (2623332333262).

The spelling of 1302201311231 in words is "one trillion, three hundred two billion, two hundred one million, three hundred eleven thousand, two hundred thirty-one".