31202142411 has 16 divisors (see below), whose sum is σ = 45415486080. Its totient is φ = 18897659520.

The previous prime is 31202142337. The next prime is 31202142443. The reversal of 31202142411 is 11424120213.

It is not a de Polignac number, because 31202142411 - 2¹¹ = 31202140363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31202142451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268365 + ... + 366638.

It is an arithmetic number, because the mean of its divisors is an integer number (2838467880).

Almost surely, 2^31202142411 is an apocalyptic number.

31202142411 is a deficient number, since it is larger than the sum of its proper divisors (14213343669).

31202142411 is a wasteful number, since it uses less digits than its factorization.

31202142411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636506.

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

Adding to 31202142411 its reverse (11424120213), we get a palindrome (42626262624).

The spelling of 31202142411 in words is "thirty-one billion, two hundred two million, one hundred forty-two thousand, four hundred eleven".