31103420201403 has 32 divisors (see below), whose sum is σ = 46298838296832. Its totient is φ = 18410034585600.

The previous prime is 31103420201393. The next prime is 31103420201531. The reversal of 31103420201403 is 30410202430113.

It is a happy number.

It is not a de Polignac number, because 31103420201403 - 2⁶ = 31103420201339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31103420201803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10993251 + ... + 13529907.

It is an arithmetic number, because the mean of its divisors is an integer number (1446838696776).

Almost surely, 2^{31103420201403} is an apocalyptic number.

31103420201403 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31103420201403 is a deficient number, since it is larger than the sum of its proper divisors (15195418095429).

31103420201403 is a wasteful number, since it uses less digits than its factorization.

31103420201403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545355.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31103420201403 its reverse (30410202430113), we get a palindrome (61513622631516).

The spelling of 31103420201403 in words is "thirty-one trillion, one hundred three billion, four hundred twenty million, two hundred one thousand, four hundred three".