31402111403 has 8 divisors (see below), whose sum is σ = 33846021888. Its totient is φ = 28962252864.

The previous prime is 31402111333. The next prime is 31402111409. The reversal of 31402111403 is 30411120413.

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

It is a cyclic number.

It is not a de Polignac number, because 31402111403 - 2²⁰ = 31401062827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31402111409) 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, 996875 + ... + 1027892.

It is an arithmetic number, because the mean of its divisors is an integer number (4230752736).

Almost surely, 2^31402111403 is an apocalyptic number.

31402111403 is a deficient number, since it is larger than the sum of its proper divisors (2443910485).

31402111403 is a wasteful number, since it uses less digits than its factorization.

31402111403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025973.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31402111403 its reverse (30411120413), we get a palindrome (61813231816).

The spelling of 31402111403 in words is "thirty-one billion, four hundred two million, one hundred eleven thousand, four hundred three".