1401431213131 has 16 divisors (see below), whose sum is σ = 1428638548320. Its totient is φ = 1374342647040.

The previous prime is 1401431213129. The next prime is 1401431213173. The reversal of 1401431213131 is 1313121341041.

It is a cyclic number.

It is not a de Polignac number, because 1401431213131 - 2¹ = 1401431213129 is a prime.

It is a super-2 number, since 2×1401431213131² (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 = 1401431213096 and 1401431213105.

It is not an unprimeable number, because it can be changed into a prime (1401431213191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47761941 + ... + 47791273.

It is an arithmetic number, because the mean of its divisors is an integer number (89289909270).

Almost surely, 2^{1401431213131} is an apocalyptic number.

1401431213131 is a deficient number, since it is larger than the sum of its proper divisors (27207335189).

1401431213131 is a wasteful number, since it uses less digits than its factorization.

1401431213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31326.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 1401431213131 its reverse (1313121341041), we get a palindrome (2714552554172).

The spelling of 1401431213131 in words is "one trillion, four hundred one billion, four hundred thirty-one million, two hundred thirteen thousand, one hundred thirty-one".