1403317215231 has 4 divisors (see below), whose sum is σ = 1871089620312. Its totient is φ = 935544810152.

The previous prime is 1403317215203. The next prime is 1403317215233. The reversal of 1403317215231 is 1325127133041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1403317215231 - 2²² = 1403313020927 is a prime.

It is a super-2 number, since 2×1403317215231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1403317215192 and 1403317215201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403317215233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233886202536 + ... + 233886202541.

It is an arithmetic number, because the mean of its divisors is an integer number (467772405078).

Almost surely, 2^{1403317215231} is an apocalyptic number.

1403317215231 is a deficient number, since it is larger than the sum of its proper divisors (467772405081).

1403317215231 is an equidigital number, since it uses as much as digits as its factorization.

1403317215231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467772405080.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 1403317215231 in words is "one trillion, four hundred three billion, three hundred seventeen million, two hundred fifteen thousand, two hundred thirty-one".