20431331131414 has 32 divisors (see below), whose sum is σ = 35495960887296. Its totient is φ = 8639341169760.

The previous prime is 20431331131399. The next prime is 20431331131433. The reversal of 20431331131414 is 41413113313402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31421794 + ... + 32065429.

It is an arithmetic number, because the mean of its divisors is an integer number (1109248777728).

Almost surely, 2^{20431331131414} is an apocalyptic number.

20431331131414 is a deficient number, since it is larger than the sum of its proper divisors (15064629755882).

20431331131414 is a wasteful number, since it uses less digits than its factorization.

20431331131414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63487540.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 20431331131414 its reverse (41413113313402), we get a palindrome (61844444444816).

The spelling of 20431331131414 in words is "twenty trillion, four hundred thirty-one billion, three hundred thirty-one million, one hundred thirty-one thousand, four hundred fourteen".