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1030233157 is a prime number
BaseRepresentation
bin111101011010000…
…001110001000101
32122210120021012121
4331122001301011
54102214430112
6250121245541
734346560132
oct7532016105
92583507177
101030233157
114895a3468
122490338b1
13135594325
149ab7b589
15606a4407
hex3d681c45

1030233157 has 2 divisors, whose sum is σ = 1030233158. Its totient is φ = 1030233156.

The previous prime is 1030233131. The next prime is 1030233179. The reversal of 1030233157 is 7513320301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 922093956 + 108139201 = 30366^2 + 10399^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030233157 - 215 = 1030200389 is a prime.

It is a super-2 number, since 2×10302331572 = 2122760715564373298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030237157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515116578 + 515116579.

It is an arithmetic number, because the mean of its divisors is an integer number (515116579).

Almost surely, 21030233157 is an apocalyptic number.

It is an amenable number.

1030233157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030233157 is an equidigital number, since it uses as much as digits as its factorization.

1030233157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 1030233157 is about 32097.2453179397. The cubic root of 1030233157 is about 1009.9778307718.

Adding to 1030233157 its reverse (7513320301), we get a palindrome (8543553458).

The spelling of 1030233157 in words is "one billion, thirty million, two hundred thirty-three thousand, one hundred fifty-seven".