31412155141 has 4 divisors (see below), whose sum is σ = 31414261932. Its totient is φ = 31410048352.

The previous prime is 31412155139. The next prime is 31412155153. The reversal of 31412155141 is 14155121413.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3295908100 + 28116247041 = 57410^2 + 167679^2 .

It is a cyclic number.

It is not a de Polignac number, because 31412155141 - 2¹ = 31412155139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31412155241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030870 + ... + 1060903.

It is an arithmetic number, because the mean of its divisors is an integer number (7853565483).

Almost surely, 2^31412155141 is an apocalyptic number.

It is an amenable number.

31412155141 is a deficient number, since it is larger than the sum of its proper divisors (2106791).

31412155141 is a wasteful number, since it uses less digits than its factorization.

31412155141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106790.

The product of its digits is 2400, while the sum is 28.

Adding to 31412155141 its reverse (14155121413), we get a palindrome (45567276554).

The spelling of 31412155141 in words is "thirty-one billion, four hundred twelve million, one hundred fifty-five thousand, one hundred forty-one".