1531314203146 has 64 divisors (see below), whose sum is σ = 2908426300416. Its totient is φ = 588481920000.

The previous prime is 1531314203137. The next prime is 1531314203161. The reversal of 1531314203146 is 6413024131351.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1298271 + ... + 2179021.

It is an arithmetic number, because the mean of its divisors is an integer number (45444160944).

Almost surely, 2^{1531314203146} is an apocalyptic number.

1531314203146 is a deficient number, since it is larger than the sum of its proper divisors (1377112097270).

1531314203146 is a wasteful number, since it uses less digits than its factorization.

1531314203146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881047.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 1531314203146 its reverse (6413024131351), we get a palindrome (7944338334497).

The spelling of 1531314203146 in words is "one trillion, five hundred thirty-one billion, three hundred fourteen million, two hundred three thousand, one hundred forty-six".