31450000070 has 16 divisors (see below), whose sum is σ = 56619217728. Its totient is φ = 12577951680.

The previous prime is 31450000019. The next prime is 31450000081. The reversal of 31450000070 is 7000005413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31449999997 and 31450000051.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190766 + ... + 315105.

It is an arithmetic number, because the mean of its divisors is an integer number (3538701108).

Almost surely, 2^31450000070 is an apocalyptic number.

31450000070 is a deficient number, since it is larger than the sum of its proper divisors (25169217658).

31450000070 is a wasteful number, since it uses less digits than its factorization.

31450000070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512095.

The product of its (nonzero) digits is 420, while the sum is 20.

Adding to 31450000070 its reverse (7000005413), we get a palindrome (38450005483).

The spelling of 31450000070 in words is "thirty-one billion, four hundred fifty million, seventy", and thus it is an aban number.