40431431431130 has 64 divisors (see below), whose sum is σ = 75796290289440. Its totient is φ = 15514849996800.

The previous prime is 40431431431117. The next prime is 40431431431159. The reversal of 40431431431130 is 3113413413404.

It can be written as a sum of positive squares in 16 ways, for example, as 346211029609 + 40085220401521 = 588397^2 + 6331289^2 .

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, 84520382 + ... + 84997398.

Almost surely, 2^{40431431431130} is an apocalyptic number.

40431431431130 is a deficient number, since it is larger than the sum of its proper divisors (35364858858310).

40431431431130 is a wasteful number, since it uses less digits than its factorization.

40431431431130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480515.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 40431431431130 its reverse (3113413413404), we get a palindrome (43544844844534).

The spelling of 40431431431130 in words is "forty trillion, four hundred thirty-one billion, four hundred thirty-one million, four hundred thirty-one thousand, one hundred thirty".