31200402141 has 36 divisors (see below), whose sum is σ = 48065943744. Its totient is φ = 19498320000.

The previous prime is 31200402053. The next prime is 31200402157. The reversal of 31200402141 is 14120400213.

31200402141 is a `hidden beast` number, since 3 + 120 + 0 + 402 + 141 = 666.

It is not a de Polignac number, because 31200402141 - 2¹⁴ = 31200385757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31200402041) 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 35 ways as a sum of consecutive naturals, for example, 628956 + ... + 676746.

It is an arithmetic number, because the mean of its divisors is an integer number (1335165104).

Almost surely, 2^31200402141 is an apocalyptic number.

It is an amenable number.

31200402141 is a deficient number, since it is larger than the sum of its proper divisors (16865541603).

31200402141 is a wasteful number, since it uses less digits than its factorization.

31200402141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48082 (or 48062 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 31200402141 its reverse (14120400213), we get a palindrome (45320802354).

The spelling of 31200402141 in words is "thirty-one billion, two hundred million, four hundred two thousand, one hundred forty-one".