431401121202 has 16 divisors (see below), whose sum is σ = 882867411360. Its totient is φ = 140456178912.

The previous prime is 431401121167. The next prime is 431401121209. The reversal of 431401121202 is 202121104134.

It is a super-2 number, since 2×431401121202² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431401121209) 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, 836048427 + ... + 836048942.

It is an arithmetic number, because the mean of its divisors is an integer number (55179213210).

Almost surely, 2^431401121202 is an apocalyptic number.

431401121202 is an abundant number, since it is smaller than the sum of its proper divisors (451466290158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431401121202 is a wasteful number, since it uses less digits than its factorization.

431401121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672097417.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 431401121202 its reverse (202121104134), we get a palindrome (633522225336).

The spelling of 431401121202 in words is "four hundred thirty-one billion, four hundred one million, one hundred twenty-one thousand, two hundred two".