31424032979 has 2 divisors, whose sum is σ = 31424032980. Its totient is φ = 31424032978.

The previous prime is 31424032967. The next prime is 31424033023. The reversal of 31424032979 is 97923042413.

It is an a-pointer prime, because the next prime (31424033023) can be obtained adding 31424032979 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31424032979 - 2²⁰ = 31422984403 is a prime.

It is a super-2 number, since 2×31424032979² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31424034979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15712016489 + 15712016490.

It is an arithmetic number, because the mean of its divisors is an integer number (15712016490).

Almost surely, 2^31424032979 is an apocalyptic number.

31424032979 is a deficient number, since it is larger than the sum of its proper divisors (1).

31424032979 is an equidigital number, since it uses as much as digits as its factorization.

31424032979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 31424032979 in words is "thirty-one billion, four hundred twenty-four million, thirty-two thousand, nine hundred seventy-nine".