31432141331 has 2 divisors, whose sum is σ = 31432141332. Its totient is φ = 31432141330.

The previous prime is 31432141309. The next prime is 31432141361. The reversal of 31432141331 is 13314123413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31432141331 - 2¹⁴ = 31432124947 is a prime.

It is a super-2 number, since 2×31432141331² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31432141331.

It is not a weakly prime, because it can be changed into another prime (31432141361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15716070665 + 15716070666.

It is an arithmetic number, because the mean of its divisors is an integer number (15716070666).

Almost surely, 2^31432141331 is an apocalyptic number.

31432141331 is a deficient number, since it is larger than the sum of its proper divisors (1).

31432141331 is an equidigital number, since it uses as much as digits as its factorization.

31432141331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

Adding to 31432141331 its reverse (13314123413), we get a palindrome (44746264744).

The spelling of 31432141331 in words is "thirty-one billion, four hundred thirty-two million, one hundred forty-one thousand, three hundred thirty-one".