31046414431 has 2 divisors, whose sum is σ = 31046414432. Its totient is φ = 31046414430.

The previous prime is 31046414411. The next prime is 31046414489. The reversal of 31046414431 is 13441464013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31046414431 - 2⁷ = 31046414303 is a prime.

It is a super-2 number, since 2×31046414431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31046414393 and 31046414402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31046414411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15523207215 + 15523207216.

It is an arithmetic number, because the mean of its divisors is an integer number (15523207216).

Almost surely, 2^31046414431 is an apocalyptic number.

31046414431 is a deficient number, since it is larger than the sum of its proper divisors (1).

31046414431 is an equidigital number, since it uses as much as digits as its factorization.

31046414431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 31046414431 its reverse (13441464013), we get a palindrome (44487878444).

The spelling of 31046414431 in words is "thirty-one billion, forty-six million, four hundred fourteen thousand, four hundred thirty-one".