1401230020431 has 8 divisors (see below), whose sum is σ = 1928574651904. Its totient is φ = 904019367960.

The previous prime is 1401230020427. The next prime is 1401230020433. The reversal of 1401230020431 is 1340200321041.

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

It is not a de Polignac number, because 1401230020431 - 2² = 1401230020427 is a prime.

It is a super-2 number, since 2×1401230020431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401230020398 and 1401230020407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401230020433) 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, 7533494641 + ... + 7533494826.

It is an arithmetic number, because the mean of its divisors is an integer number (241071831488).

Almost surely, 2^{1401230020431} is an apocalyptic number.

1401230020431 is a deficient number, since it is larger than the sum of its proper divisors (527344631473).

1401230020431 is a wasteful number, since it uses less digits than its factorization.

1401230020431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15066989501.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1401230020431 its reverse (1340200321041), we get a palindrome (2741430341472).

The spelling of 1401230020431 in words is "one trillion, four hundred one billion, two hundred thirty million, twenty thousand, four hundred thirty-one".