31014131 has 2 divisors, whose sum is σ = 31014132. Its totient is φ = 31014130.

The previous prime is 31014127. The next prime is 31014161. The reversal of 31014131 is 13141013.

It is a weak prime.

It is an emirp because it is prime and its reverse (13141013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31014131 - 2² = 31014127 is a prime.

It is a super-2 number, since 2×31014131² = 1923752643370322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31014121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15507065 + 15507066.

It is an arithmetic number, because the mean of its divisors is an integer number (15507066).

Almost surely, 2^31014131 is an apocalyptic number.

31014131 is a deficient number, since it is larger than the sum of its proper divisors (1).

31014131 is an equidigital number, since it uses as much as digits as its factorization.

31014131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 31014131 is about 5569.0332195095. The cubic root of 31014131 is about 314.1857900850.

Adding to 31014131 its reverse (13141013), we get a palindrome (44155144).

It can be divided in two parts, 310 and 14131, that added together give a palindrome (14441).

The spelling of 31014131 in words is "thirty-one million, fourteen thousand, one hundred thirty-one".