1401334231431 has 16 divisors (see below), whose sum is σ = 1892550489984. Its totient is φ = 922189366944.

The previous prime is 1401334231397. The next prime is 1401334231469. The reversal of 1401334231431 is 1341324331041.

It is not a de Polignac number, because 1401334231431 - 2³⁴ = 1384154362247 is a prime.

It is a super-2 number, since 2×1401334231431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401336231431) 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, 2075056 + ... + 2666181.

It is an arithmetic number, because the mean of its divisors is an integer number (118284405624).

Almost surely, 2^{1401334231431} is an apocalyptic number.

1401334231431 is a deficient number, since it is larger than the sum of its proper divisors (491216258553).

1401334231431 is a wasteful number, since it uses less digits than its factorization.

1401334231431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742510.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 1401334231431 its reverse (1341324331041), we get a palindrome (2742658562472).

The spelling of 1401334231431 in words is "one trillion, four hundred one billion, three hundred thirty-four million, two hundred thirty-one thousand, four hundred thirty-one".