31433431141 has 16 divisors (see below), whose sum is σ = 37221375744. Its totient is φ = 25982740224.

The previous prime is 31433431087. The next prime is 31433431157. The reversal of 31433431141 is 14113433413.

It is not a de Polignac number, because 31433431141 - 2¹⁷ = 31433300069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31433435141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507745 + ... + 566278.

It is an arithmetic number, because the mean of its divisors is an integer number (2326335984).

Almost surely, 2^31433431141 is an apocalyptic number.

It is an amenable number.

31433431141 is a deficient number, since it is larger than the sum of its proper divisors (5787944603).

31433431141 is a wasteful number, since it uses less digits than its factorization.

31433431141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074180.

The product of its digits is 5184, while the sum is 28.

Adding to 31433431141 its reverse (14113433413), we get a palindrome (45546864554).

The spelling of 31433431141 in words is "thirty-one billion, four hundred thirty-three million, four hundred thirty-one thousand, one hundred forty-one".