9402148319231 has 4 divisors (see below), whose sum is σ = 9402442563672. Its totient is φ = 9401854074792.

The previous prime is 9402148319219. The next prime is 9402148319297. The reversal of 9402148319231 is 1329138412049.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9402148319231 is a prime.

It is a super-2 number, since 2×9402148319231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9402148319131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147074285 + ... + 147138198.

It is an arithmetic number, because the mean of its divisors is an integer number (2350610640918).

Almost surely, 2^{9402148319231} is an apocalyptic number.

9402148319231 is a deficient number, since it is larger than the sum of its proper divisors (294244441).

9402148319231 is a wasteful number, since it uses less digits than its factorization.

9402148319231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294244440.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 9402148319231 in words is "nine trillion, four hundred two billion, one hundred forty-eight million, three hundred nineteen thousand, two hundred thirty-one".