1310203121003 has 32 divisors (see below), whose sum is σ = 1572777658368. Its totient is φ = 1068053760000.

The previous prime is 1310203120987. The next prime is 1310203121023. The reversal of 1310203121003 is 3001213020131.

It is a cyclic number.

It is not a de Polignac number, because 1310203121003 - 2⁴ = 1310203120987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1310203121023) 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, 3192251 + ... + 3579227.

It is an arithmetic number, because the mean of its divisors is an integer number (49149301824).

Almost surely, 2^{1310203121003} is an apocalyptic number.

1310203121003 is a deficient number, since it is larger than the sum of its proper divisors (262574537365).

1310203121003 is a wasteful number, since it uses less digits than its factorization.

1310203121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387323.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1310203121003 its reverse (3001213020131), we get a palindrome (4311416141134).

The spelling of 1310203121003 in words is "one trillion, three hundred ten billion, two hundred three million, one hundred twenty-one thousand, three".