31431012083 has 2 divisors, whose sum is σ = 31431012084. Its totient is φ = 31431012082.

The previous prime is 31431012079. The next prime is 31431012131. The reversal of 31431012083 is 38021013413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31431012083 - 2² = 31431012079 is a prime.

It is not a weakly prime, because it can be changed into another prime (31431012013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15715506041 + 15715506042.

It is an arithmetic number, because the mean of its divisors is an integer number (15715506042).

Almost surely, 2^31431012083 is an apocalyptic number.

31431012083 is a deficient number, since it is larger than the sum of its proper divisors (1).

31431012083 is an equidigital number, since it uses as much as digits as its factorization.

31431012083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 31431012083 its reverse (38021013413), we get a palindrome (69452025496).

The spelling of 31431012083 in words is "thirty-one billion, four hundred thirty-one million, twelve thousand, eighty-three".