1403302131231 has 128 divisors (see below), whose sum is σ = 2556328384512. Its totient is φ = 661118976000.

The previous prime is 1403302131229. The next prime is 1403302131251. The reversal of 1403302131231 is 1321312033041.

It is not a de Polignac number, because 1403302131231 - 2¹ = 1403302131229 is a prime.

It is a super-2 number, since 2×1403302131231² (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 (1403302131251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 178965871 + ... + 178973711.

It is an arithmetic number, because the mean of its divisors is an integer number (19971315504).

Almost surely, 2^{1403302131231} is an apocalyptic number.

1403302131231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1403302131231 is a deficient number, since it is larger than the sum of its proper divisors (1153026253281).

1403302131231 is a wasteful number, since it uses less digits than its factorization.

1403302131231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8913.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1403302131231 its reverse (1321312033041), we get a palindrome (2724614164272).

The spelling of 1403302131231 in words is "one trillion, four hundred three billion, three hundred two million, one hundred thirty-one thousand, two hundred thirty-one".