143401551403231 has 16 divisors (see below), whose sum is σ = 159160199479200. Its totient is φ = 128100830054400.

The previous prime is 143401551403223. The next prime is 143401551403301. The reversal of 143401551403231 is 132304155104341.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 143401551403231 - 2³ = 143401551403223 is a prime.

It is a super-2 number, since 2×143401551403231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143401551403211) 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, 105226426 + ... + 106580503.

It is an arithmetic number, because the mean of its divisors is an integer number (9947512467450).

Almost surely, 2^{143401551403231} is an apocalyptic number.

143401551403231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

143401551403231 is a deficient number, since it is larger than the sum of its proper divisors (15758648075969).

143401551403231 is a wasteful number, since it uses less digits than its factorization.

143401551403231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211808010.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 143401551403231 in words is "one hundred forty-three trillion, four hundred one billion, five hundred fifty-one million, four hundred three thousand, two hundred thirty-one".