31030431141 has 8 divisors (see below), whose sum is σ = 41379668320. Its totient is φ = 20684074032.

The previous prime is 31030431139. The next prime is 31030431151. The reversal of 31030431141 is 14113403013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31030431141 - 2¹ = 31030431139 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 (31030431151) 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, 694750 + ... + 738063.

It is an arithmetic number, because the mean of its divisors is an integer number (5172458540).

Almost surely, 2^31030431141 is an apocalyptic number.

It is an amenable number.

31030431141 is a deficient number, since it is larger than the sum of its proper divisors (10349237179).

31030431141 is a wasteful number, since it uses less digits than its factorization.

31030431141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440035.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31030431141 its reverse (14113403013), we get a palindrome (45143834154).

The spelling of 31030431141 in words is "thirty-one billion, thirty million, four hundred thirty-one thousand, one hundred forty-one".