20101431401 has 8 divisors (see below), whose sum is σ = 20805506304. Its totient is φ = 19400834160.

The previous prime is 20101431391. The next prime is 20101431409. The reversal of 20101431401 is 10413410102.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-20101431401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20101431401.

It is not an unprimeable number, because it can be changed into a prime (20101431409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857651 + ... + 880776.

It is an arithmetic number, because the mean of its divisors is an integer number (2600688288).

Almost surely, 2^20101431401 is an apocalyptic number.

It is an amenable number.

20101431401 is a deficient number, since it is larger than the sum of its proper divisors (704074903).

20101431401 is a wasteful number, since it uses less digits than its factorization.

20101431401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738831.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20101431401 its reverse (10413410102), we get a palindrome (30514841503).

The spelling of 20101431401 in words is "twenty billion, one hundred one million, four hundred thirty-one thousand, four hundred one".