233131211213401 has 8 divisors (see below), whose sum is σ = 234344980199240. Its totient is φ = 231917502385152.

The previous prime is 233131211213389. The next prime is 233131211213431. The reversal of 233131211213401 is 104312112131332.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 296724236176 + 232834486977225 = 544724^2 + 15258915^2 .

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 233131211213401 - 2³³ = 233122621278809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 233131211213401.

It is not an unprimeable number, because it can be changed into a prime (233131211213431) 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, 7258086 + ... + 22780303.

It is an arithmetic number, because the mean of its divisors is an integer number (29293122524905).

Almost surely, 2^{233131211213401} is an apocalyptic number.

It is an amenable number.

233131211213401 is a deficient number, since it is larger than the sum of its proper divisors (1213768985839).

233131211213401 is a wasteful number, since it uses less digits than its factorization.

233131211213401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30078795.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 233131211213401 its reverse (104312112131332), we get a palindrome (337443323344733).

The spelling of 233131211213401 in words is "two hundred thirty-three trillion, one hundred thirty-one billion, two hundred eleven million, two hundred thirteen thousand, four hundred one".