1402111131 has 8 divisors (see below), whose sum is σ = 1904754960. Its totient is φ = 917104032.

The previous prime is 1402111037. The next prime is 1402111147. The reversal of 1402111131 is 1311112041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1402111131 - 2¹⁷ = 1401980059 is a prime.

It is a super-2 number, since 2×1402111131² = 3931831247348198322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1402111131.

It is not an unprimeable number, because it can be changed into a prime (1402111171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4408996 + ... + 4409313.

It is an arithmetic number, because the mean of its divisors is an integer number (238094370).

Almost surely, 2^1402111131 is an apocalyptic number.

1402111131 is a deficient number, since it is larger than the sum of its proper divisors (502643829).

1402111131 is an equidigital number, since it uses as much as digits as its factorization.

1402111131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8818365.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1402111131 is about 37444.7744151303. The cubic root of 1402111131 is about 1119.2509689362.

Adding to 1402111131 its reverse (1311112041), we get a palindrome (2713223172).

It can be divided in two parts, 14021 and 11131, that added together give a palindrome (25152).

The spelling of 1402111131 in words is "one billion, four hundred two million, one hundred eleven thousand, one hundred thirty-one".