31454102506 has 8 divisors (see below), whose sum is σ = 47667557700. Its totient is φ = 15564916608.

The previous prime is 31454102503. The next prime is 31454102531. The reversal of 31454102506 is 60520145413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29510086225 + 1944016281 = 171785^2 + 44091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (31454102503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81067081 + ... + 81067468.

Almost surely, 2^31454102506 is an apocalyptic number.

31454102506 is a deficient number, since it is larger than the sum of its proper divisors (16213455194).

31454102506 is a wasteful number, since it uses less digits than its factorization.

31454102506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162134648.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 31454102506 its reverse (60520145413), we get a palindrome (91974247919).

The spelling of 31454102506 in words is "thirty-one billion, four hundred fifty-four million, one hundred two thousand, five hundred six".